Questions Asked on
October 26, 2010

  1. business

    Internal controls are concerned with?

    asked by vivian
  2. Physics

    Berry Bonds hits a baseball ball with an initial speed of 35m/s at an angle of 50 degrees with respect to the horizon. The playing field is surrounded by a 4.0m tall wall. Assume that when hit, the ball is initially very close to the ground. If the

    asked by Gharib
  3. Math

    explain how you could show five less than a number using an expression?

    asked by Daisy
  4. Chemistry

    At 298.K and 1.00 atm, assume that 22 mL of NO gas reacts with 18 mL of oxygen gas and excess water to produce nitric acid according to the following equation: 2 NO(g) + 3/2 O2 (g)+ H2O(l)?? 2 HNO3(g). If all of the nitric acid produced by this reaction is

    asked by Ricky
  5. 5th math

    how many 3,000s in 270,000? and how many 90s in 63,000? please show me the work also , so i can do the rest right. thanks

    asked by pat
  6. chemistry

    is Sodium Dichromate a binary or Ternary compound?

    asked by lucy
  7. Physics

    Kevin stands at the edge of a cliff, holding one ball in each hand. He throws one of the balls straight up with speed v, and at the same time he throws the other ball straight down, also with speed v. Ignoring air resistance, which ball hits the ground

    asked by Gharib
  8. physics

    A plane can fly at Mach 1.47, which means the speed of the plane is 1.47 times the speed of sound in air. What is the angle between the direction of propagation of the shock wave and the direction of the plane's velocity? How is the answer 47.1 degrees

    asked by flame
  9. social studies

    A likely question (or request for information) that you'd probably hear during a behavioral interview would be: "Describe your worst behavioral traits." "Describe your best behavioral traits." "Explain to me how you handled a customer emergency." "What

    asked by dina
  10. health care finance

    Assume a for-profit health system has $1 million in taxable income for 2007, and its tax rate is 30 percent. What is the firms net income?

    asked by Meme
  11. chemistry

    During a strenuous workout, a student generates 2000 kJ of heat energy. What mass of water would have to evaporate from the student's skin to dissipate this much heat?

    asked by Brittney
  12. Physics

    Skydiver Joseph Kittinger, record for the longest jump, reaches a terminal speed of 60m/s with his arms and body fully extended. Then, he switches to a head first dive, reducing his cross section area by 80% (that is, his cross section area when head-first

    asked by Gharib
  13. 5th grade

    if 8 ciybters are ib wgike, then wgat us half? i f9 counters te one hole, then what is one /third ?

    asked by pat
  14. 5 th math

    sorry, i was to sleepy my type got mess up. my question is if 8 counters are one whole, then what is half? if 9 counters are one whole, then what is one/third? please help my last one. !!

    asked by pat
  15. math

    the system of linear equations below has a unique solution for all but one value of a: 6 x−12 y=−6 58 x+a y=−58 What is this exceptional value for a?

    asked by Tiff
  16. Chemistry

    When 0.578 L of Ar at 1.20 atm and 227°C is mixed with 0.299 L of O2 at 501 torr and 127°C in a 400. mL flask at 27°C, what is the pressure in the flask?

    asked by Corshaney
  17. gen Chem

    I've attempted this problem but not sure if i'm on the right track. Use the enthalpy diagram provided above and apply Hess’s Law to determine the standard enthalpy of formation for C12O36H20N12 (s) using the results from part (a) and the following

    asked by Vince
  18. Business math

    Determine the selling price of a 15-year, 4.725% bond, with $1000 maturity value, with a yield of 4.735%. (Assume twice-yearly interest payments. Round your answer to the nearest cent.) PV = $ 1

    asked by Liz c
  19. business math

    Meg's pension plan is an annuity with a guaranteed return of 7% interest per year (compounded monthly). She would like to retire with a pension of $20000 per month for 20 years. If she works 28 years before retiring, how much money must she and her

    asked by Liz c
  20. Physics

    A large plate falls to the ground and breaks into three pieces. m1 falls with v1=3m/s, 25 degrees to the left from the vertical. m2 falls with v2=1.79m/s, 45 degrees up from the horizon. And m3=1.3kg falls with v3=3.07m/s vertically down. How would I find

    asked by Gharib
  21. Chemistry

    why is flame test for chemicals important? give me reasons

    asked by King Wah
  22. chemistry

    Exactly 10mL of water at 25 degrees C was added to a hot iron skillet. all of the water was converted into steam at 100 degrees C. If the mass of the pan was 1.20 kg and the molar heat capacity of iron is 25.19 L/mol*C, what was the temp change of the

    asked by Brittney
  23. physics

    An open barge has the dimensions l=22 m, w=40 m, and h=12m. If the barge is made out of 4.0 cm thick steel plate on each of its four sides and its bottom, what mass of coal can the barge carry in fresh water without sinking? Is there enough room in the

    asked by wilfred
  24. math

    a jetliner is crusing at an altitude of 31,680 ft. What is the altitude in miles? Show work by using demensional analysis.

    asked by Anonymous
  25. math

    15= - 3 3/16 m

    asked by Anonymous
  26. math

    Question: A student took a test composed of 20 question, with correct answers worth 2 points. If the student received 34 points for his grade, how many questions were correct? I KNOW THE ANSWER IS 17 BUT PLEASE PUT IN AN EQUATION FORM ex: (20x2)-34 =

    asked by paully
  27. business

    A petty cash fund of $100 is replenished when the fund contains $3 in cash and receipts for $93. The entry to replenish the fund would debit Cash Over and Short for $4. credit Miscellaneous Revenue for $4. credit Cash Over and Short for $4. debit

    asked by vivian
  28. Physics - Eqilibrium position of a spring-ball

    A 275g ball is resting on top of the spring that is mounted on the floor. You exert a force of 325N on the ball and it compresses the spring 44.5cm. If you release the ball from the position, how high above the equilibrium position of the spring-ball

    asked by Anonymous
  29. business

    Tavarez Company assembled the following information in completing its July bank reconciliation: balance per bank $15,280; outstanding checks $3,100; deposits in transit $5,000; NSF check $320; bank service charge $100; cash balance per books $17,600. As a

    asked by vivian
  30. math

    How do I take the derivative in respect to c1 for the following utility function? u1 = log(c1) + log [1/2(x-c1-c2)] details please

    asked by david
  31. 7th grade Science

    What types of cells in your body are no longer undergoing mytosis?

    asked by Selena
  32. English

    Comparison of the Satirical quality in the novels of Rushdie and Roy

    asked by Anu
  33. physics

    A tornado lifts a car to a height of 125m above the ground. The tornado flings the car horizontally with a speed of 90.0 m/s. How long does the car take to reach the ground?

    asked by carmen
  34. Health care finance

    John Doe is in the 40 percent tax bracket. He is considering investing in HCA bonds that carry a 12 percent interest rate. A. What is his after-tax interest rate on the bonds?

    asked by Meme
  35. math

    Simplify, then apply the rules of limit to evaluate lim x3-5x2+6x/x2-9 x->3

    asked by mary
  36. Physics - Spring

    Suppose a 1.5kg block of wood is slid along a floor and it compresses a spring that is attached horizontally to a wall. The spring constant is 555N/m and the block of wood is traveling 9.0m/s when it hits the spring. Assume that the floor is frictionless

    asked by Anonymous
  37. spanish

    can someone proof my essay

    asked by Dedee
  38. Physics - Charges on objects (check + help)

    Two identical objects have charges from +6.0*10^-6 and -2.0*10^-6, respectively. When placed a distance d apart, their force of attraction is 2,0N. If the objects are touched together, then they moved to a distance of separation of 2d, what will be the new

    asked by Anonymous
  39. Physics - Charged objects (check + help)

    Three charged objects are located t the vertices of a right triangle. Charge A (5*10^-6) has Cartesian coordinates (0,4; Charge B (-5.0*10^-6) is at the origin; charge c (+4.0*10^-6) has coordinates (5,0), where the coordinates are in meters. What is the

    asked by Anonymous
  40. English

    satirical quotes from midnight's children and The God of Small Things

    asked by Anu
  41. Statistics

    Find the probability that at most 5 defective bolts will be found in a box of 200 bolts if it is known that 2 per cent of such bolts are expected to be defective .(you may take the distribution to be Poisson; e-4= 0.0183).

    asked by Shams
  42. Statistics

    A packaging device is set to fill detergent power packets with a mean weight of 5 Kg. The standard deviation is known to be 0.01 Kg. These are known to drift upwards over a period of time due to machine fault, which is not tolerable. A random sample of 100

    asked by Shams
  43. Statistics

    Machines are used to pack sugar into packets supposedly containing 1.20 kg each. On testing a large number of packets over a long period of time, it was found that the mean weight of the packets was 1.24 kg and the standard deviation was 0.04 Kg. A

    asked by Shams
  44. Math - derivative of f(x) (check)

    f(x) - x/(x-1) then f'(x) = -1/(x-1)^2 is that correct?

    asked by Anonymous
  45. calculus

    A particle is moving along the curve below. y = sqrt(x) As the particle passes through the point (4,2), its x-coordinate increases at a rate of 4 cm/s. How fast is the distance from the particle to the origin changing at this instant?

    asked by sanjay
  46. english writing

    how would you say "as a result" in other words? Im writing a report and I cant repeat all the time as a result of the meeting...

    asked by Viola
  47. math

    5/11+root5 How would I rationalize this I think it would be - Multiply both sides by 11-root5 then use the foil method on the denominator to give you 55-5root5/121+5root11-5root11-5 the 2 roots would cancel out giving you 55-5root5/12-5 so would the answer

    asked by peter
  48. math

    Solve the two sided inequality and show the solution on real line 7 < 1-2x ≤ 10 Given two functions as: f(x) = x2-x-1 and g(x) = 3/x Find fog(x) also find the domain of f, g and fog

    asked by mary
  49. Math

    Predictable Corp has increased its annual dividend each year of its life by 2% (and will continue to do so indefinitely). If Predictable paidits annual dividend yesterday of $8 and the required return is currently 4%, then by what amount will the stock

    asked by Danielle
  50. Financial Management

    You purchased WPC common shares for $50 on year ago. You have received total dividends equal to $8 during the year. If your total return during the period is 12%, then what was the price of WPC when you sold the stock today?

    asked by Danielle
  51. Probability

    You type four letters to four different people and address the envelopes. If you then insert the letters into the envelopes randomly, what is the probability that exactly three letters will go into the correct envelopes?

    asked by Sarah
  52. math..probabilities

    You type four letters to four different people and address the envelopes. If you then insert the letters into the envelopes randomly, what is the probability that exactly three letters will go into the correct envelopes? 1/2 1/3 1/4 0 Explain your answer.

    asked by M.A.
  53. 2nd grade

    I'm a number using only 5 base ten blocks between 150 and 250, and the number in the tens place is half the number in the ones place

    asked by Kelli
  54. project management

    "The psychological contract between an individual and the organization for which they work is a complex one, but is basically a process of reciprocation". Discuss the above statement and explain how the type of psychological contract offered by the Project

    asked by mhiar
  55. accounting

    Pearson corporation makes an investment today (January 1, 2010). They will receive $10,000 every December 31st for the next six years (2010-2015) If pearson wants to earn 12% on the investment, what is the most they should invest on January 1, 2010? A)

    asked by Keisha
  56. Accounting

    Milner company will invest $200,000 today. The investment will earn 6% for 5 yearswith no funds withdrawn. In 5 years, the amount in the investment fund is A) $200,000 B) $260,000 C) 267,646 D) $268,058

    asked by Keisha
  57. 5th grade

    if angele O is 31 degree and angle T is 121 degree and what is angle A will be ______?

    asked by pat
  58. accounting

    mordica company will receive $100,000 in 7 years. If the appropriate interest rate is 10%, the present value of the $100,000 receipt is (A) $51,000 (B) $51,316 (c) $151,000 (D) $194,872

    asked by Keisha
  59. maths

    A bond with face value of $500 redeemable at par in 13 years time, is paying interest at j2 = 9.0%. Find the purchase price of the bond to give a yield to maturity of j2 = 8.4%.

    asked by k
  60. math

    rationalize 3/7-root3 would it be 21+3root3/46

    asked by peter
  61. Accounnting

    Vannoy Corporation will invest $25,000 every January 1st for the six years (2010-2015). If Wagner will earn 12% on the investment, what amount will be in the investment on December 31, 2015? A) $102,785 B)$115,120 C) $202,880 D) $227,225

    asked by Keisha
  62. physics

    Hurricanes can involve winds in excess of 120 km/h at the outer edge. Make a crude estimate of the energy of such a hurricane, approximating it as a rigidly rotating uniform cylinder of air (density 1.3 kg/m^3) of radius 120 km and height 4.5 km. Make a

    asked by kim
  63. Physics

    A 3.6 m diameter merry-go-round is rotating freely with an angular velocity of 0.78 rad/s. Its total moment of inertia is 1700 kg m^2. Four people standing on the ground, each of mass 62 kg, suddenly step onto the edge of the merry-go-round. What is the

    asked by tiffany
  64. physics

    10 moles of a gas initially at temperature 300 K is compressed adiabatically from a volume of 2 cm3 to a volume of 325 cm3. To the nearest tenth of a joule what is the work done by the piston? (It is a monatomic ideal gas.)

    asked by sandhu
  65. math

    how do we deal with ratio give some example

    asked by khizra feroz
  66. Statistics

    In a random sample of 50, the average is 3987 with a population standard deviation of 630. How can one find the 90% confidence interval of the true mean?

    asked by Tony
  67. Statistics

    In a sample of 171, the mean is 58 with a population standard deviation of 4.8. Can someone help me figure out what is the 90% confidence interval of the true mean? Thank you.

    asked by Diandra
  68. Statistics

    find the 90% confidence interval for the variance and standard deviation of the ages of seniors at Oak Park College if a sample of 24 students has a standard deviation of 2.3 years. Assume the variable is normally distributed. Can someone explain the steps

    asked by Diandra
  69. physics

    A 0.005-kg bullet traveling horizontally with a speed of 1.00 103 m/s enters an 20.3-kg door, imbedding itself 10.6 cm from the side opposite the hinges as in the figure below. The 1.00-m-wide door is free to swing on its hinges. (c) At what angular speed

    asked by Amy
  70. physics

    if a bus fell off a cliff at a speed of 27m/s & the cliff is 70m high how far from the bottom do they land?

    asked by kayla
  71. chem

    35.00 grams of propane C3H8 are burned. How many grams of CO2 ARE PRODUCED

    asked by sue
  72. math

    thanks reiny for the help but can u tell me the domain of f g and fog in binary form? thanks

    asked by mary
  73. math

    domain of f: any real number domain of g: any real number except x is not equal to zero domain of fog: any real number except x is not equal to zero please explain the domain in binary form. thanks.

    asked by mary
  74. health

    compare and contrast contributory negligence with comparative neglience.

    asked by aslyn
  75. physics

    Estimate the force with which a karate master strikes a board if the hand's speed at time of impact is 4.78m/s, decreasing to 1.55m/s during a constant time of 0.00239 s with the board. The mass of coordinated hand and arm is 0.701 kg. Answer in units of

    asked by Ashleigh
  76. physics

    A projectile is fired at an upward angle of 45 degrees from the top of a 265 m cliff with a speed of 350 m/s. What will be it's speed when it strikes the ground below?

    asked by jessica
  77. physics

    Blood of density 1010kg/m^3 that is to be administered to a patient is raised about 1.51 m higher than the level of the patient's arm. How much greater is the pressure of the blood than it would be if the container were at the same level of the arm? The

    asked by Ashleigh
  78. College Critical Reading

    Can someone please let me know if I am right on these True/ False questions. I like to make sure that I am understanding this information. Thanks in advance for your help ;-) 1. Journalism has professional values of striving for subjectivity, currency,

    asked by Jessie
  79. College Critical Reading

    If someone could please let me know if these multiple choice questions are right? I believe they are but I want to make sure! Thanks for the help in advance! 1. Critical readers watch television by deciding that their primary purpose for choosing shows is

    asked by Jessie
  80. Algebra

    What is the inverse of the function y=3x

    asked by Roger
  81. physics

    A projectile of mass 1.450 kg is shot straight up with an initial speed of 20.0 m/s. (a) How high would it go if there were no air friction? (b) If the projectile rises to a maximum height of only 13.9 m, determine the magnitude of the average force due to

    asked by joshua
  82. Algebra

    Complete the following for f(x)=2^(x+1)-3 Range: Coordinates of y-intercept:

    asked by Roger
  83. Earth/Environmental Science

    "Tsunamis" are giant waves caused bhy earthquakes under the ocean floor. They _______ islands and coastlines. What does tsunamis do to islands and coastlines?

    asked by Anonymous
  84. math

    Use Descarte's rule of signs to discuss the possibilities for the roots of the equation. Do not solve the equation -5r^(4)+6r^(3)+9r-15=0

    asked by Allie
  85. math

    Find all real and Imaginary solutions 7x^(3)+70x^(2)-x-10=0

    asked by Samantha
  86. IPC

    The latent heat of vaporization of ethanol is 200 calories/gram. This means that _____. a) about 200 calories of heat must be added to 1 gram of ethanol to change its temperature b) about 200 calories of heat must be added to 1 gram of ethanol to convert

    asked by Jon
  87. college algebra

    Use the theorem on bounds to establish the best integral bounds for the roots of the equation w^(4)-8w^(3)+2w^(2)+10w-1=0

    asked by Alex
  88. english

    Criticism is always uncomplimentary. true?

    asked by danny
  89. Chemistry

    I realllyy need help with this: 39. Find the formula mass for AI2S3. Show your work. (The 2 and 3 are small) Thanks -MC

    asked by mysterychicken
  90. IPC

    The type of bond formed by shared electrons is ____. covaletn, right?

    asked by Jon
  91. english

    "All the world is a stage, but the play is badly cast." its a simile write? or is that a metaphor??

    asked by danny
  92. statistics

    a survey from a research firm found that 30% of teenage consumers receive their spending money from part-time job.if five teenagers are selected at random,find the probability that only three of them will have part-time jobs.

    asked by kimasni
  93. physics

    a 5-kg crate is resting on a horizontal plank. the coefficient of static friction is .5 and the coefficient of kinetic friction is .4. after one end of the plank is raised so the plank makes an angle of 25 degrees with the horizontal, the force of friction

    asked by colin
  94. english

    "All the world is a stage, and all the men and women merely players." metaphor?

    asked by danny
  95. College Chemistry

    Given that delta Hrxn for OH- ions is -229.6 kJ/mol, calculate the enthalpy of neutralization when I mole of a strong monoprotic acid (such as HCl) is titrated by 1 mole of a strong base (such as KOH) at 25-degrees C.

    asked by Alexis
  96. IPC

    copper and chlorine are likely to form a metallic bond, right?

    asked by Jon
  97. science

    Which of the following chemical reactions is written to show that mass is conserved? A H2O to H2+O2 B CH4+202 to CO2+2H2O C Mg+HCI to 3MgCI0+H2 D N2+H2 to NH

    asked by Tiffany
  98. math

    (2x^3)-2 3

    asked by Chan
  99. Math

    x(x-3)+4= 3x^2 - 2(x+8) 3

    asked by Chan
  100. algebra

    What is the inverse of the function y=3^x

    asked by Roger
  101. US History

    9. How did Woodrow Wilson's reform platform during the 1912 campaign differ from that of Theodore Roosevelt? a. Wilson supported federal regulation of business b. Wilson promised to preserve free economic competition c. Wilson supported tariff reduction d.

    asked by mysterychicken
  102. college

    the perimeter of a rectangular garden is 25.6m and the area is 36.12msquare. find the length and width of the garden

    asked by barb
  103. math

    Use common denominators to compare the pairs of rational numbers. In each of the following identify which one is greater and explain how you know. 5/7, 5/8

    asked by m
  104. math

    find each quotient. 3/4 divided by -12

    asked by m
  105. Science

    Working on the Amazon River, a biologist isolated DNA from two unknown organisms, P and Q. He discovered that the adenine content of P was 15% and the cytosine content of Q was 42%. This means that: a) the amount of guanine in P is 15% b) the amount of

    asked by May
  106. Physics

    A 930 kg sports car collides into the rear end of a 2500 kg SUV stopped at a red light. The bumpers lock, the brakes are locked, and the two cars skid forward 2.6 m/s before stopping. The police officer, knowing that the coefficient of kinetic friction

    asked by Eden
  107. Physics

    A 160 kg astronaut (including space suit) acquires a speed of 2.20 m/s by pushing off with his legs from an 1950 kg space capsule. What is the change in speed of the space capsule? As the reference frame, use the position of the space capsule before the

    asked by Nikohl
  108. AP Physics

    A stone is tied to a string (length = 0.450 m) and whirled in a circle at the same constant speed in two different ways. First, the circle is horizontal and the string is nearly parallel to the ground. Next, the circle is vertical. In the vertical case the

    asked by AP Physics
  109. math

    please go step by step to better understand if x,y,z are three different real numbers with y/x-z=x+y/z=x/y, evaluate x/y

    asked by jon
  110. Math

    please go step by step to better understand if 2f(x)+f(1-x)=x^2 for all real numbers, the f(x)=?

    asked by jon
  111. 5th grade social studies

    Question: What time period or movement began in the textile industry? I am really confused about this questions. My answer was the time period of the 18th century. Is this correct? Question: What is an economic system based on machinery rather than animal

    asked by Lina
  112. ap history

    On a chart what are the arguments for and against American expansion to the Pacific even at the expense of the war with Mexico in the 1840's

    asked by bwjr
  113. chemistry

    Why did i get this question wrong? its about a u shaped tube with a simepermeable membrane 0.3 M Fe (NO3)2 0.5 M sugar 0.1 M NaCl So I did this: 0.3 x3 = 0.9 0.5x1=0.5 0.1x2=0.2 = 0.7 so i chose the answer increase in the water level to the left side of

    asked by Ben
  114. physics

    Suppose that a binary star system consists of two stars of equal mass. They are observed to be separated by 330 million kilometers and take 3.0 Earth years to orbit about a point midway between them. What is the mass of each?

    asked by Christen
  115. chemistry

    i already posted this question, but im still confused on it. Dinitrogentetraoxide partially decomposes according to the following equilibrium: N2O4 (g) -> 2NO2 (g) 2NO2 (g) Initial conc. 0.400 mol 0 mole (no reaction yet) Change -0.3945 mol + 2 x 0.3945

    asked by Jane
  116. geometry b

    in a circle,a 90 dagree sector has an area of 36 pie ft squared.what is the radius of the circle ???

    asked by charles
  117. chemistry

    A reaction starts with 1.00 mol each of PCl3 and Cl2 in a 1.00-L flask. When equilibrium is established at 250 degree Celsius in the reaction PCl3(g)+ Cl2(g)--> PCl5(g), the amount of PCl5 present is 0.82 mol. What is Kc for this reaction?

    asked by Shanice
  118. Physics Help!!

    Hurricanes can involve winds in excess of 120 km/h at the outer edge. Make a crude estimate of the energy of such a hurricane, approximating it as a rigidly rotating uniform cylinder of air (density 1.3 kg*m^3 of radius 120 km and height 4.5 km. Make a

    asked by tiffany
  119. physics

    Right after clearing the launch tower, the space shuttle is accelerating upward at 6 m/s/s. Calculate the net force on an 80 kg astronaut during this acceleration and the force that the seat must exert on the astronaut during this acceleration.

    asked by Lynn
  120. algebra 1 b

    The sides of a triangle have measures of x, x, and y, and the perimeter of the triangle is 46. The measure y is 4 centimeters longer than the measure x. Write the solution for this as an ordered pair.

    asked by Daniel
  121. Physical Science

    an airplane is flying at 600km/h at an altitude of 2.0km. When the sound of the airplane's engines seems to someone on the ground to be coming from directly overhead, how far away is she from being directly below the airplane?

    asked by Jason
  122. physics

    A 3.00 102 N force is pulling an 80.0 kg refrigerator across a horizontal surface. The force acts at an angle of 18.0° above the surface. The coefficient of kinetic friction is 0.200, and the refrigerator moves a distance of 8.00 m a) Find the work done

    asked by Anonymous
  123. trig

    if sin theta = 2/3 in quadrant 1, find sec theta. HELP!!!

    asked by tash
  124. physics

    A 3.00 10^2 N force is pulling an 80.0 kg refrigerator across a horizontal surface. The force acts at an angle of 18.0° above the surface. The coefficient of kinetic friction is 0.200, and the refrigerator moves a distance of 8.00 m a) Find the work done

    asked by Anonymous
  125. Physics

    Two balls, of masses mA = 34 g and mB = 60 g, are suspended as shown in the figure . The lighter ball is pulled away to a 60 degree angle with the vertical and released. The length of the string is 30cm. What will be the maximum height of each ball after

    asked by Nikohl
  126. Physics

    A 160 kg astronaut (including space suit) acquires a speed of 2.20 m/s by pushing off with his legs from an 1950 kg space capsule. What is the change in speed of the space capsule? As the reference frame, use the position of the space capsule before the

    asked by Nikohl
  127. English

    When I type President Bill Clinton in a sentence does president need to be capitalized?

    asked by Kayla
  128. Physics

    An object of mass 1.25 kg on a flat surface has two forces acting on it, F1 and F2 in the horizantal direction. F1 acts in the positive direction, F2 acts in the negative direction. The magnitude of F1 is 26.75 N. The object moves strictly along the

    asked by Lisa
  129. biochemistry

    all three sugars have the formula C6H12O6. what does this reduce to

    asked by brianna
  130. Geography

    How do you calculate Latitude and longitude precisely?

    asked by olivia
  131. physics

    An ant walks on a piece of graph paper straight along the x axis a distance of 10.0 cm in 2.20 s. It then turns left 30.0 degrees and walks in a straight line another 10.0 cm in 1.90 s. Finally, it turns another 70.0 degrees to the left and walks another

    asked by bobjang
  132. physics

    An ant walks on a piece of graph paper straight along the x axis a distance of 10.0 cm in 2.20 s. It then turns left 30.0 degrees and walks in a straight line another 10.0 cm in 1.90 s. Finally, it turns another 70.0 degrees to the left and walks another

    asked by bobjang
  133. Physics

    A block of mass = 2.20 kg slides down a 30.0 deg incline which is 3.60 m high. At the bottom, it strikes a block of mass = 7.00 kg which is at rest on a horizontal surface . (Assume a smooth transition at the bottom of the incline.) If the collision is

    asked by Eden
  134. Chemistry

    1. Reactions follow the law of conservation mass.- T? 3. In a chemical equation, the material to the left of the arrow equals the material on the right.- T 8. In a single replacement reaction, sodium (Na) doesn't replace hydrogen.- F? 16. Increased

    asked by mysterychicken
  135. english

    the main character in a story is the antagonist? True?

    asked by danny
  136. us history115

    in waht ways did democracy create a new political culture? how did democracy impact social change?

    asked by angela
  137. Gen Chem 1

    We want to change the volume of a fixed amount of gas from 745mL to 2.30L while holding the temperature constant. To what value must we change the pressure if the initial pressure is 102 kPa?

    asked by Kay
  138. Money and Banking

    One year ago, you bought a bond for $10,000. You received interest of $400 at the end of the year, as well as your $10,000 principal. If the inflation rate over the last year was five percent, calculate the real return.

    asked by Jaye
  139. economics

    1. Consider the following four debt securities, which are identical in every characteristic except as noted: W: A corporate bond rated AAA X: A corporate bond rate BBB Y: A corporate bond rated AAA with a shorter time to maturity than bonds W and X Z: A

    asked by Jaye
  140. college chemistry

    Calculate the [CH3NH3+] of a 7.02×10-3 M solution of the weak base CH3NH2 (make an approximate calculation assuming that initial concentration is equal to the equilibrium concentration). Round your answer to 3 significant digits. CH3NH2 + H2O = CH3NH3+ +

    asked by sparkle
  141. Government

    I have a journal activity i have to turn in asap, is their any websites were i could find the reasoning why the 'framers' of the Constitution put in these purposes of the government? -form a more perfect union -establish justice -insure domestic

    asked by Cheryl
  142. Science

    PLEASE HELP Science Test Friday Study Guide? I have 1 to 22 already but I am stuck now I have to have this completed and correctly for my study guide. I have a C right now I need an A on this test to bring it up to a B or I stay on restriction please help

    asked by Jennifer
  143. Science

    PLEASE HELP Science Test Friday Study Guide? I have 1 to 22 already but I am stuck now I have to have this completed and correctly for my study guide. I have a C right now I need an A on this test to bring it up to a B or I stay on restriction please help

    asked by Jennifer
  144. chemistry

    a copper block has a mass off 80 grames and occupies a volume of 9.5cm3 calculate its density

    asked by alex
  145. Government

    Im sorry for asking another question but is their a website where i can find what provisions in the constitution ensure that each of these purposes is achieved? -form a more perfect union -establish justice -insure domestic tranquility -provide for the

    asked by Cheryl
  146. Physics

    A bicycle chain is wrapped around a rear sprocket (r = 0.038 m) and a front sprocket (r = 0.11 m). The chain moves with a speed of 1.6 m/s around the sprockets, while the bike moves at a constant velocity. Find the magnitude of the acceleration of a chain

    asked by Zaphod
  147. physics

    A rotating cylinder about 16 long and 6.2 in diameter what angular speed must it rotate?

    asked by Anonymous
  148. Calculus

    If 3 x2+ 5 x + xy = 3 and y( 3 ) = −13, find y′( 3 ) by implicit differentiation.

    asked by Correy
  149. Chemistry

    How is the solubility of a solid affected by temperature?

    asked by Molly
  150. Chem

    A 11.9-g sample of a gas has a volume of 5.25L at 30 degrees celsius and 762mm Hg. If 2.4g of the same gas is added to this constant 5.25-L volume and the temperature raised to 64 degrees celsius, what is the new gas pressure?

    asked by Lisa
  151. Calculus

    Gravel is being dumped from a conveyor belt at a rate of 50 cubic feet per minute. It forms a pile in the shape of a right circular cone whose base diameter and height are always equal to each other. How fast is the height of the pile increasing when the

    asked by Carl
  152. Physics

    A 10 kg ball moving due west at 2m/sec collides with a 4kg ball that is moving due east at 3 m/sec. You determine that immediately after the collision the 10 kg ball is moving due west at 0.57 m/sec. How do I set up the equations to find the answer?

    asked by Christina
  153. Calculus

    A particle is moving along the curve y = 2 √{3 x + 7}. As the particle passes through the point (3, 8), its x-coordinate increases at a rate of 4 units per second. Find the rate of change of the distance from the particle to the origin at this instant.

    asked by Carl
  154. Calculus

    At noon, ship A is 10 nautical miles due west of ship B. Ship A is sailing west at 18 knots and ship B is sailing north at 22 knots. How fast (in knots) is the distance between the ships changing at 6 PM? (Note: 1 knot is a speed of 1 nautical mile per

    asked by Sam
  155. biology

    which region produce the most fish A the Indian ocean B the Atlantic ocean C the pacific D the Atlantic an Indian ocean e none above

    asked by Anonymous
  156. Calculus

    When air expands adiabatically (without gaining or losing heat), its pressure P and volume V are related by the equation PV1.4=C where C is a constant. Suppose that at a certain instant the volume is 470 cubic centimeters and the pressure is 89 kPa and is

    asked by Jason
  157. Calculus

    When air expands adiabatically (without gaining or losing heat), its pressure and volume are related by the equation where is a constant. Suppose that at a certain instant the volume is cubic centimeters and the pressure is kPa and is decreasing at a rate

    asked by Jason
  158. Algebra check+help?

    Write the equation so that y is is a function of x. 1) 5x+4y=10 Would you minus the 5 from the 10 first? and 4y=5-10? Because she only wants us to write the equation, not exactly solve for it. And doesn't want us to overthink. Could I please have someones

    asked by Allyson
  159. Math

    this number has 4 places to the right of the decimal point. It has 2 hundredths, 3 then thousandths, and 1 tenth. It is in between 240 and 242. The thousandths place is one less than the ten thousandths and less than the hundresths. What are six numbers

    asked by Scarlett
  160. radius of circle circumcribed about traingle

    find the radius of circle circumcribed about traingle has 3 known sides

    asked by Anonymous
  161. social studies

    What did the Gadsden Purchase have on American democracy?

    asked by Rashawnda
  162. math

    Amy earns $0.16 per unit for the work she does. For all units she produces in a week over 1,000, she receives $0.26. What were her weekly earnings if she produced 1,725 units in one

    asked by Anonymous
  163. physics

    A railroad car of mass 2.3*10^4 kg moving at 4.00 m/s collides and couples with two coupled railroad cars, each of the same mass as the single car and moving in the same direction at 1.20 m/s. (a) What is the speed of the three coupled cars after the

    asked by Heather
  164. social studies

    How did the aquisition of the Oregon Country affect American Democracy?

    asked by Lleyenna
  165. 4 th grade math input outout box

    how do you get from 6 to 40

    asked by joe
  166. Algebra check+help?

    For problems 1 and 2 write Y as a function of X 1) 12=9x+3y - I think you would subtract 9 from the 12.. but I'm not really sure because you can't add/subtract x's and y's from regular numbers. 2) -2x+3y=9 Same problem as above.. Can someone please explain

    asked by Allyson
  167. math

    find x x-5/x-2 = x-9/x-7 Method (x-5)(x-7) = (x-9)(x-2) x^2-12x+35 = x^2-11x-18 I get stuck here help would be must appreciated

    asked by peter
  168. science

    How much heat in kcal must be added to 0.32 kg of water at room temperature (20°C) to raise its temperature to 36°C?

    asked by Anonymous
  169. math

    The odometer in your mother's car reads 2056 miles less than the odometer in your uncle's car. Your mother's odometer reads 22010 miles. About how many miles are on the odometer of your uncle's car?

    asked by Charlotte
  170. 5th grade

    175104000 is 7 10ths of population what is the population

    asked by pat
  171. 5th grade word problem

    a customer at a cider farm has a 5 gallon jug and ask the farmer to put in exactly 4 gallons. All the farmer has to measure out the gallons is a 3 gallon jug. In what way or ways could the farmer measure out exactly 4 gallons using just these two

    asked by tryston
  172. physics

    Hurricanes can involve winds in excess of 120 km/h at the outer edge. Make a crude estimate of the energy of such a hurricane, approximating it as a rigidly rotating uniform cylinder of air (density 1.3 kg*m^3 of radius 120 km and height 4.5 km. Make a

    asked by Marisol
  173. Chemistry

    One method of removing CO2(g) from a spacecraft is to allow the CO2 to react with LiOH. 2LiOH(s)+CO2(g)---->Li2CO3(s)+H2O(l) How many liters of CO2(g) at 25.5 degrees celsius and 749 Torr can be removed per 9kg of LiOH consumed?

    asked by Kaylee
  174. Algebra

    One can think of "a out of b" without actually removing the pieces. For example, one might think of the fraction of Xs in the diagram X X O O O as "two Xs out of five objects," in which case 2/5 of the objects are Xs. Can you apply this way of thinking to

    asked by Maria
  175. trig

    Find the values of the trigonmeric functions of t from the given information cos t = -4/5 terminal point of t is in quadrant III

    asked by Christine
  176. Global Issues (ms.sue)

    It is a known fact that all though there are some countries in the world that are abundant in wealth and possessions, there are also other countries at different parts of the world which are developing countries and are deprived of most of the goods that

    asked by y912f
  177. Physics

    I tried working this out and I got 495 which is wrong. im not sure what to do. A two-stage rocket moves in space at a constant velocity of 4650 m/s. The two stages are then separated by a small explosive charge placed between them. Immediately after the

    asked by Xavier
  178. Geometry

    How would you solve v=PIr2h? Solve for h? I have no clue how to do this.. Please help thanks -Allyson

    asked by Allyson
  179. physics

    Ok. I'm writing that big test tomorrow, and I have no idea what should I do with this : An alien is 5m from an astronaut. The astronaut notices the alien and they simultaneously begin to run from each other with v[alien]= 2m/s and v[astronaut] = 4m/s. Find

    asked by Anonymous
  180. Math (money)

    How much money is in 350 nickles?

    asked by Cameron
  181. Math

    A spider crawls at a speed of 1.17 miles per hour , at this rate how long will it take the spider to crawl 3/4 mile?

    asked by shan
  182. chemistry

    Am doing a lab report on the determination of the product of a redox reaction: the reaction of bromate and hydroxylammonium ions. here is the lab Experiment: In this experiment you will determine the equation of a redox reaction by the use of experimental

    asked by khela
  183. chem

    Excess Ag+ is added to 50 mL of NaBr soln and precipitated out 22.8 mg of AgBr. What is the original concentration of Br- ion in the solution in ppm?

    asked by janie
  184. Biology 101

    Summarize the inheritance of sex-linked traits through meiosis and how it relates to genetics.

    asked by Anita fields
  185. Chemistry

    A buret (initial and final buret reading were 2.20 mL and 11.86 mL) was used to deliver a sample of 2.1E-5 M stock dye into a 25.0 mL volumetric flask. The dye was then diluted with water to exactly 25.0 mL. Calculate the molarity of the resulting

    asked by Mallory
  186. AP Physics

    A stone is tied to a string (length = 0.450 m) and whirled in a circle at the same constant speed in two different ways. First, the circle is horizontal and the string is nearly parallel to the ground. Next, the circle is vertical. In the vertical case the

    asked by PLEASE HELP
  187. Chemistry

    How would I find the moles of H+ if I have 2.0 M HCl and 2.0 M NaOH solution?

    asked by Sara
  188. Chemistry

    27. Amorphous solids have crystal structures.- F? 32. Pure, crystalline solids freeze and melt at the same temperature.- F 34. Water expands as it freezes.- T Thanks -MC

    asked by mysterychicken
  189. physics

    A motorcycle (mass of cycle plus rider = 3.0 102 kg) is traveling at a steady speed of 20 m/s. The force of air resistance acting on the cycle and rider is 1.8 102 N. Find the power necessary to sustain this speed under the following conditions. (a) the

    asked by joshua
  190. sentences with all kinds of errors

    Recent economic concerns prompted President Obama to meet with credit card industry executives in April 2009. The national credit card delinquency rate has continued to grow in recent times, and the president, along with Congress, aims to end unfair fees

    asked by Anonymous
  191. Chem

    Classify each situation by the equation that would quantify it. A. A container of ammonia cleaner is stored in the janitor's closet off a lecture hall after being used at night for cleaning. The container has a very small hole in the lid. The next morning

    asked by Kaylee
  192. geometry

    At the beginning of a run on a road that goes due north, Hayden noticed that she was 4 kilometers south of a dead douglas fir. If the midpoint of her jog was 7 kilometers north of the dead douglas fir, how far did Hayden have to travel? ---thanks :]

    asked by Serenity
  193. English

    Need help with topic "Justice" Need 2 question: is what is the moral aspect of Justice? Research plan: Have investigate my question. I am kind stuck on this topic, please help me to write 3 pages. Thanks.

    asked by Kate
  194. Math

    Perform the requested operation or operations. f(x) = 4 - 4x, g(x) = -9x + 4 Find (f + g)(x).

    asked by Ford
  195. Math

    Perform the requested operation or operations. f(x) = 2x - 9, g(x) = 4x - 4 Find (f - g)(x).

    asked by Ford
  196. Chemistry

    37. Write a balanced equation for this: Magnesium + Chlorine ---> Magnesium Chloride 40. How many torr equal 760 mm Hg? Please explain how to do these. Thanks -MC

    asked by mysterychicken
  197. Physics

    You are very slowly pushing up an incline with a calculator sitting on it. The coefficient of static friction is 0.7. At what angle θ will the calculator start sliding?

    asked by Alexis
  198. Math

    Find the requested value. f(-4)for f(x)={6x, if x ¡Ü -1 f(-4)for f(x)=x - 2, if x > -1

    asked by Ford
  199. english

    I am going to write about illegal immigration and my topic is putting fence on the border and I am for it. my question that i need help with is, How can fence reduce illegal immigration? Thanks for your help?

    asked by Kelly
  200. math

    in december the average rainfall in all of the deserts is 0.89 mm.USE the figure from the table to write a comparison of average desert rainfall in august and december?

    asked by wafi
  201. physics

    Two race cars are speeding around the racetrack at different speeds. One goes around the track in 2 minutes; the other goes around the track in 1½ minutes. How often does the faster car pass the slower car? Is there a formula to figure this out?

    asked by Mike
  202. chemistry

    How many moles of NaI are produced with 3.27 moles BiI3?

    asked by pat
  203. calculus

    A particle is moving along the curve y=4((3x+1)^.5). As the particle passes through the point (5,16) its -coordinate increases at a rate of 2 units per second. Find the rate of change of the distance from the particle to the origin at this instant.

    asked by sja
  204. math..probabilities

    You type four letters to four different people and address the envelopes. If you then insert the letters into the envelopes randomly, what is the probability that exactly three letters will go into the correct envelopes? 1/2 1/3 1/4 0 Explain your answer.

    asked by M.A.
  205. 3rd grade shurley english

    what does s, f,scs, scv mean when indentifying(labeling) sentences thanks

    asked by josh
  206. physics

    A 47.0 g golf ball is driven from the tee with an initial speed of 60.0 m/s and rises to a height of 24.4 m. (a) Neglect air resistance and determine the kinetic energy of the ball at its highest point. (b) What is its speed when it is 7.0 m below its

    asked by joshua
  207. math

    x(x-3)+4= 3x^2 - 2(x+8) Divided by 3

    asked by annonomus
  208. math

    mrs.fuchs has 40yd of fencing to use to make a rectangular area for her garden.(she wants to keep the animals out!!!!) she pans to use part of the 26yd wall of her house as one of the sides of the rectangular area. - what whole dimension( lengh and width)

    asked by Katherine
  209. adult education

    IS IT POSSIBLE FOR COMPANIES BOTH TO MAXIMIZE FINANCIAL VALUE FOR SHAREHOLDERS AND TO ACT IRRESPONSIBLY IN THE COMMUNITIES IN WHICH THEY OPERATE,TO TREAT THEIR EMPLOYEES,CUSTOMERS,AND SUPPLIES WELL, AND TO ENGAGE IN ACTIVITIES THAT ARE GOOD FOR THE

    asked by EBONY
  210. writing

    Part II: Write one paragraph explaining the key differences between the four types of writing (summary, analysis, synthesis, and evaluation). Underline the topic sentence in the paragraph.

    asked by Anonymous
  211. physics

    A 47.0 g golf ball is driven from the tee with an initial speed of 60.0 m/s and rises to a height of 24.4 m. (a) Neglect air resistance and determine the kinetic energy of the ball at its highest point. (b) What is its speed when it is 7.0 m below its

    asked by joshua
  212. 6th grade social studies

    What do the arabian and anatolia or anotolian peninsula connect?

    asked by Chelsea
  213. 6th grade

    Can you simplify 9 over 16?

    asked by Alexandra
  214. math

    You type four letters to four different people and address the envelopes. If you then insert the letters into the envelopes randomly, what is the probability that exactly three letters will go into the correct envelopes? 1/2 1/3 1/4 0 Explain your answer.

    asked by M.A.
  215. com156

    What should you consider when looking for helpful sources? What are some red flags that indicate you should avoid a particular source?

    asked by Anonymous
  216. English

    The liquid should be scooped at a quarter depth. or The liquid should be scooped at a quarter depths. Which is correct?

    asked by ann
  217. math

    mrs.fuchs has 40yd of fencing to use to make a rectangular area for her garden.(she wants to keep the animals out!!!!) she pans to use part of the 26yd wall of her house as one of the sides of the rectangular area. - what whole dimension( lengh and width)

    asked by Katherine
  218. 6th grade

    What does the sinai peninsula connect?

    asked by Chelsea
  219. Algebra 1

    x^2-6x(3-6x)

    asked by Samantha
  220. Chemistry 106

    What are the elements used to make the ingrediants of each category (the same element may be listed in several categories, but a maximum of once in each of the 6 categories, no matter how many different ingrediants it may be in)? **name of the element with

    asked by samantha
  221. physics

    A 3.0 m long rigid beam with a mass of 100 kg is supported at each end. An 60 kg student stands 2.0 m from support 1. How much upward force does each support exert on the beam? support 1- support 2-

    asked by kate
  222. 10th grade

    Lack of iron in the photic zone of the open ocean restricts the size of plankton populations. Iron is what kind of factor for marine plankton?

    asked by Nichole
  223. english

    Part II: Write one paragraph explaining the key differences between the four types of writing (summary, analysis, synthesis, and evaluation). Underline the topic sentence in the paragraph.

    asked by Anonymous
  224. 10th grade

    Lack of iron in the photic zone of the open ocean restricts the size of plankton populations. Iron is what kind of factor for marine plankton?

    asked by Nichole
  225. English

    1)Please advise us on the status of our application. 2)Please advise the status of our application. Which sentence is correct?

    asked by ann
  226. probability

    Suppose that the probability is 1 in 3,900,000 that a single auto trip in the United States will result in the death of the driver. Over a lifetime, an average U.S. driver takes 50,000 trips. Assume that events are independent: (a) What is the probability

    asked by Laura
  227. sentences with all kinds of errors

    Recent economic concerns prompted President Obama to meet with credit card industry executives in April 2009. The national credit card delinquency rate has continued to grow in recent times, and the president, along with Congress, aims to end unfair fees

    asked by Anonymous
  228. geometry

    Is it possible to have a triangle that the sum of the measures of the small and medium sides is equal to the measures of the larger?

    asked by miranda
  229. algerbra1

    translate to an algebraic expression 49 less than b

    asked by jazz
  230. Ethical and Legal Issues

    Let’s start this discussion by providing examples of an ethical duty or ethical obligations you have encountered in your life. What are some examples of rules at WORK that might cause a conflict with your ethical standards? 1. What was that duty or

    asked by Anonymous
  231. world religions

    Is there any website that can give me a summary of the first second third and the ninth teachings of the Bhagavad Gita? (Arjuna's dejection, Philosophy and spiritual discipline, and Discipline of action, and the Sublime Mystery) It would help a lot!

    asked by y912f
  232. English

    Can you please check the following sentences? Thank you. 1) My mum is an employee. She works for a confectionary industry. 2) I like spending time on the net (better: I like surfing the net). I like playing on my PlayStation. I also like going out with my

    asked by Franco
  233. chemistry

    A chemist wants to make 3.1L of a 0.104M solution. How much KCl in grams should the chemist use?

    asked by rachel
  234. chemistry

    How many liters of a 0.530M sucrose (C12H22O11) solution contain 1.3kg of sucrose?

    asked by rachel
  235. chemistry

    What volume of each of the following solutions contains 0.13mol of KCl? 1).345M of KCl 2)2.0M of KCl 3).895M of KCl

    asked by rachel
  236. Physics

    You are very slowly pushing up an incline with a calculator sitting on it. The coefficient of static friction is 0.7. At what angle θ will the calculator start sliding?

    asked by Alexis
  237. English

    With reference to an earlier question:- The liquid is to be scooped at a quarter of the depth of the container it is in. Hence the first sentence is correct? Or is there a better way of phrasing? The liquid should be scooped at a quarter depth of the

    asked by ann
  238. chemistry

    Lead is often found in Earth's crust as several lead compounds. Calculate the mass in kilograms of the amount of each of the following lead compounds that contains 4500kg of lead. 1)PbCO3 (cerussite) 2) PbSO4(anglesite)

    asked by rachel
  239. chemistry

    A pure copper cube has an edge length of 2.00cm. How many copper atoms does it contain? (volume of a cube = (edge length)^3; density of copper = 8.96g/cm^3 )

    asked by rachel
  240. MATH HELP NOW

    We are doing solving polynomials using the zero factor property and here is the question: Marie has a rectangular board 18 inches by 23 inches around which she wants to put a uniform border of shells. If she has enough shells for a border whose area is 282

    asked by MARIAH
  241. math

    the width of a rectangle is one half its lengh. The perimeter of the rectangle is 54 cm. What are the width and length of the Rectangle?

    asked by lee peacock
  242. college Physics

    A disk with a mass of 1300 g and radius 0.7 m has a block of mass 170 g hanging from it, as shown. The wheel and block start at rest. The moment that the block is released, what is the magnitude of the angular acceleration of the disk? (Note: the moment of

    asked by Sam
  243. Chemistry--bobpursley

    37. Write a balanced equation for this: Magnesium + Chlorine ---> Magnesium Chloride Is it Mg + C12 ---> MgC12 ? Thanks -MC

    asked by mysterychicken
  244. Chem

    The question is; About Fe+2 concentration will Fe(OH)2 precipitate from a buffer solution that has a PH = 9.29? The Ksp of Fe(OH)2 is 4.87x10^-17 So here is what I did, Ksp = (x) (2x)^2 = 4x^3 4.87x10^-17 = 4x^3 x = 2.30x10^-6 I don't know what do I have

    asked by Kim
  245. Chemistry

    38. Identify the type of reaction. A + B --> AB A + BC --> AC + B Thanks -MC

    asked by mysterychicken
  246. math

    triangle with vertices A(-2,2), B(4,0) and C(-2,-3). find the length of this altitude

    asked by Ted
  247. 6th grade

    What are the two similar features for long shore current and rip currents?

    asked by andrew
  248. Chemistry

    I made a graph and i used line of best fit. How do i find the slope of the line?

    asked by Bianca
  249. Chem

    Which of the following will be more soluble in an acidic solution than in pure water? 1.PbBr2 2.CsClO4 3.Cd(OH)2 4.Ag2(SO4) 5.BaSO3 How can I find which is which? Could you tell me the best way to find which one is more soluble? Thank you!

    asked by Kim
  250. ap calculus bc

    Hi! Thank you very much! My question is: how do you find the antiderivative of 1 / (square root[1-(x^2)]) aka antideriv( [1/(x^2)] ^ -1) THank you!!

    asked by APpreciate student
  251. reading

    i need help my teacher give us adjective worksheet about spookley the square pumpking i need to write 6 adjective to describe spookley the square pumpkin. 1.little 2.square 3.kind 4.friendly 5.thankful 6.hopeful

    asked by 3 grade
  252. Phsyics

    A bullet of mass 1.8 X 10-3 kg is moving at +500. m/s when it impacts a tree stump. It penetrates into the stump 6.00 centimeters before coming to rest. 1. Assuming the acceleration to be constant, calculate the force (including direction) exerted by the

    asked by Rachel
  253. Phsyics

    A bullet of mass 1.8 X 10-3 kg is moving at +500. m/s when it impacts a tree stump. It penetrates into the stump 6.00 centimeters before coming to rest. 1. Assuming the acceleration to be constant, calculate the force (including direction) exerted by the

    asked by Rachel
  254. Geometry

    the measures of three angles of a triangle are in the ratio 4:5:6. Find the measure of each

    asked by Msr
  255. Phsyics

    A bullet of mass 1.8 X 10-3 kg is moving at +500. m/s when it impacts a tree stump. It penetrates into the stump 6.00 centimeters before coming to rest. 1. Assuming the acceleration to be constant, calculate the force (including direction) exerted by the

    asked by Rachel
  256. business

    A PEST analysis of a company... answer please

    asked by katy
  257. physics

    Please Help.... A car (mass = 1170 kg) is traveling at 43 m/s when it collides head-on with a sport utility vehicle (mass = 2460 kg) traveling in the opposite direction. In the collision, the two vehicles come to a halt. At what speed was the sport utility

    asked by baily
  258. spanish

    for homework we have to unscramble these words: lcpoa, maidolrg, caluphin, masarac, patneon, pelpa padcoi can anyone help?

    asked by julie
  259. Chemistry

    A first-order reaction has rate constants of 4.6 x 10^-2 inverse seconds and 8.1 x 10^-2 inverse seconds at 0 degrees C and 20 degrees C respectively. what is the value of the activation energy? Please show all steps!!

    asked by Jim
  260. Chemistry

    A first-order reaction has rate constants of 4.6 x 10^-2 inverse seconds and 8.1 x 10^-2 inverse seconds at 0 degrees C and 20 degrees C respectively. what is the value of the activation energy? Please show all steps!! Thank You!

    asked by Jim
  261. Chemistry

    the activation energy for the decomposition of HI(g) to H2(g) and I2(g) is 186kj/mol. the rate constant at 555k is 3.42 x 10^-7 L/mol*s. What is the rate constant at 645K? Please Show all Steps! thank you!

    asked by Jack
  262. chemistry

    write a net ionic equation for the following: Copper (II) sulfate reacts with Ammonium hydroxide to produce Copper (II) oxide, Ammonium sulfate, and water.

    asked by rachel
  263. chemistry

    write a net ionic equation for the following: 1)Iron (III) chloride reacts with Potassium hydroxide to produce Iron (III) oxide, Potassium chloride, and Hydrogen gas. 2)Hydrochloric acid reacts with Potassium carbonate to produce Potassium chloride,

    asked by rachel
  264. Physics

    You are very slowly pushing up an incline with a calculator sitting on it. The coefficient of static friction is 0.7. At what angle θ will the calculator start sliding?

    asked by Alexis
  265. Physics

    A small block of mass m1 = 0.400 kg is released from rest at the top of a curved-shaped frictionless wedge of mass m2 = 3.00 kg, which sits on a frictionless horizontal surface as in Figure P9.60a. When the block leaves the wedge, its velocity is measured

    asked by Velocity and Height
  266. Physics

    A two-stage rocket moves in space at a constant velocity of 5100 m/s. The two stages are then separated by a small explosive charge placed between them. Immediately after the explosion the velocity of the 1250-kg upper stage is 5520 m/s in the same

    asked by Velocityof two stage rocket
  267. Finance

    Suppose you buy a 7% coupon, 20 year bond today when it's first issued. If interest rates suddenly rise to 15%, what happens to the value of your bond?

    asked by Valerie
  268. Physics

    The first stage of a space vehicle consumed fuel and oxidizer at the rate of 1.60 multiplied by 104 kg/s, with an exhaust speed of 2.55 multiplied by 103 m/s. (a) Calculate the thrust produced by these engines. answer should be in N (b) Find the

    asked by Force and Velocity
  269. help! physics

    Right after clearing the launch tower, the space shuttle is accelerating upward at 6 m/s/s. Calculate the net force on an 80 kg astronaut during this acceleration and the force that the seat must exert on the astronaut during this acceleration.

    asked by Lynn
  270. Chemistry

    37. Write a balanced equation for this: Magnesium + Chlorine ---> Magnesium Chloride Is it Mg + C12 ---> MgC12 ? Thanks -MC

    asked by mysterychicken
  271. business

    an example of PEST analysis please

    asked by katy
  272. physics

    A child holds a sled on a frictionless, snow- covered hill, inclined at an angle of 29◦. If the sled weighs 61 N, find the force ex- erted on the rope by the child. Answer in units of N.

    asked by alysha
  273. Physics

    An object is released from rest. How far does it fall during the third second of its fall?

    asked by Jane
  274. math

    kelly subtracted 2.3 from 20 and got 17.7 explain why this answer is reasonable

    asked by lala
  275. math: calculus

    Having a problem with this one... if f(x)=f, then find f(7)

    asked by courtney
  276. physics

    A water slide can be thought of as being frictionless. Let's say a slider starts from rest and goes down a slide that is 30 m long and is set at a 25 degree incline. a) Determine the speed of the slider at the bottom of the slide. b) Explain why you don't

    asked by caroline
  277. Physics C: Mechanics

    A yo-yo has a rotational inertia of 760 g·cm2 and a mass of 200 g. Its axle radius is 4.0 mm, and its string is 100 cm long. The yo-yo rolls from rest down to the end of the string. (a) What is the magnitude of its linear acceleration? cm/s2 (b) How long

    asked by Xavier Hernandez
  278. physics

    A child holds a sled on a frictionless, snow- covered hill, inclined at an angle of 29◦. If the sled weighs 61 N, find the force ex- erted on the rope by the child. Answer in units of N.

    asked by alysha
  279. math

    Is it possible to have a triangle that the sum of the measures of the small and medium sides is equal to the measure of the large side?

    asked by miranda
  280. physics

    A motorboat accelerates uniformly from a velocity of 6.5 m/s to the west to a velocity of 1.5 m/s to the west. If its acceleration was 2.7 m/s to the est, how far did it travel during the acceleration

    asked by MO
  281. geometry

    Given the right triangle JKL, whose arean is 32 sqare units, determine if it is an isoceles right triangle.

    asked by Nina
  282. economics

    suppose pam owns her own building in chicago, which she could rent for 200000 a year, and used to make 60000 a year managing a bed, bath, and beyond store. she decides to open a surfing store. her yearly sales are 500000, she pays her 2 sales workers 20000

    asked by Rebecca
  283. chem 101

    using the unit conversion method derive an equation to calculate heat produced from the HCl-Na OH reaction

    asked by andrew
  284. math

    I am a fraction equivalent to 2/4.The sum of my numerator and my denominator is 21. what fraction am I?

    asked by dyland
  285. Math Algebra

    3/2x+3 - 5/x-7 + x^2-x/2x^2-11x-21

    asked by Rebecca
  286. econ

    american and japanese workers can each produce 4 cars a year.An American worker can produce 10 tons of grain a year,whereas a japanese worker can produce 5 ton of grain a year.to keep things simple,assume that each country has 100 million workers.

    asked by luther
  287. geometry

    How do I find the length of the segment AB when A(-4,6) and B(3,-5)

    asked by Alex
  288. Biology

    Hi, I am doing my lab assignment about Protein Analysis. Our job is to find the concentration of the casein protein in our original Unknown sample with the initial volume of 2ml. So after plotting the graph of the data given, we are supposed to find the

    asked by Sarah
  289. Stats

    Suppose that 8% of a certain batch of calculators have a defective case, and that 11% have defective batteries. Also, 3% have both a defective case and defective batteries. A calculator is selected from the batch at random. Find the probability that the

    asked by Tatjana
  290. 4th grade

    what is the longest multiplication combination for 120

    asked by cesilia
  291. Stats

    Suppose that 8% of a certain batch of calculators have a defective case, and that 11% have defective batteries. Also, 3% have both a defective case and defective batteries. A calculator is selected from the batch at random. Find the probability that the

    asked by Tatjana
  292. spanish

    Hoy en dia pavos SON perdonados en caso de que el pavo no este disponible para el perdón presipdencial. Is SON correct in this sentence and if it is, why?

    asked by Sue
  293. Chemistry - College

    The ionization energy of a certain element is 472 kJ/mol. However, when the atoms of this element are in the first excited state, the ionization energy is only 166 kJ/mol. Based on this information, calculate the wavelength of light emitted in a transition

    asked by Alexis
  294. precal

    find all values of x such that sin(sin(x))=1

    asked by george
  295. math

    3^2 is my sample but it says explain their funcutions for eachother. what exactly does it mean. can you give me a function for my problem.

    asked by kayla
  296. Science-Organelle

    What is the structure of chromatin?

    asked by Nancy
  297. math

    find the n. 4 x n = 9 + 3. what do i do?

    asked by cameron
  298. Chem

    In an automobile engine, at the end of the upstroke the piston is at its maximum height in a cylinder of exact dimensions. At this time, a precisely measured mixture of fuel and oxidant ignites to form gaseous products. If the ignition temperature is

    asked by Kay
  299. MATH-STUCK

    Express each power as an equivalent radical. K. I don't know how to write this, but I'll explain. There is a fraction. 1 over 9. And 9 has a power up to it which is 5 and a power down which is 3. I don't get how to express this power as an equivalent

    asked by Anonymous
  300. physics

    A cart starts from position one with a velocity of 17.0 m/s. Find the speed of the cart at positions 2 and 3 ignoring friction. will the cart reach position four? position 2= 12.0 m high position 3= 2.0 m high 4= 20.m high

    asked by Ali
  301. Math

    how to use prime factorization using Square Root??? Examples Plzz like 3 examples

    asked by Sumaiya
  302. Math

    There are 1760 yards in a mile. A certain wheel makes 17600 revolutions in 40 miles. What is the number of yards in the radius of the wheel?Give the answer as a decimal to the nearest tenth of a yard.

    asked by Cindy
  303. US History

    3. Many senators opposed American entry into the League of Nations because a. they feared it would weaken the country's independence b. they disapproved of its other member countries c. they wanted stronger promises of support from other countries d. they

    asked by mysterychicken
  304. science

    In order for conduction to occur particles must make what?

    asked by Zach
  305. english

    An example of the frame story is _____. 1)"The Celebrated Jumping Frog of Calaveras County 2"The Lady, or the Tiger?" 3)"The Necklace" i think its number 1?

    asked by danny
  306. math

    I'm thinking of a number made from the digits 3,6 and 9. Each digit is used only once. My number is an even number. My number is greater than 400. What is my number?

    asked by selena
  307. 3rd math

    9 + 3 = ? + 9

    asked by choconcung
  308. 9th grade math

    you invest $1500 for three years.find the amount you earn at an annual rate of 8.25%

    asked by me
  309. physics

    Ball 1, with a mass of 180 g and traveling at 18 m/s, collides head on with ball 2, which has a mass of 370 g and is initially at rest (a) What are the final velocities of each ball if the collision is perfectly elastic? (b) What are the final velocities

    asked by Lucy
  310. 9th grade math

    suppose you invested $1200 for four years. you earned $312 in simple interest. what is the interest rate?

    asked by me
  311. math

    how to solve 3[x-(- 1/3+2iã14/3)][x-(-1/3-2iã14/3)]

    asked by dona
  312. 9th grade math

    suppose u invested some money at 8% simple interest for five years. if u received $500 in interest, how much money did u invest?

    asked by me
  313. eth/125

    Religious discrimination against Muslims and Arab-appearance people rose steeply in the United States after 9/11. Consider the differences between Arabs, Muslims, and Arab Muslim extremists and fundamentalists. What may be done to maintain the American

    asked by Anonymous
  314. Math

    Why did Airhead eat the dollar he brought to school

    asked by Valerie
  315. business law

    Case Study: Your long-time friend Carl comes to you with a serious problem in his life. He is a believer, and he wants your advice. For years he and his family have lived above their means. They did this by continually refinancing their house and rolling

    asked by Nicole
  316. calculus

    This is from our problem set. f(x)= 2(x^3)-3(x^2)-12x+20 write an equation of the line perpendicular to the graph of f at x=0 I think i'm supposed to take the derivate of f and then find the slope of the tangent line at x=0. Then take the opposite

    asked by Divya
  317. physics

    the force stretching the D string on a certain guitar is 150 N. the String's linear mass density is .005 Kg/m. What is the speed of waves on the string?

    asked by bks
  318. MATH

    Find the product 3[x-(- 1/3+2iã14/3)][x-(-1/3-2iã14/3)]

    asked by dona
  319. Social Stuides

    Why did the French and Spanish start fighting?

    asked by Anjali
  320. College algebra

    Find the equation with x-intercepts (4,0),(-3,0) and (2,0) and y-intercept (0,12)

    asked by samantha
  321. Calculus

    Find the linear approximation L(x) of the given function at a, and use it to approximate the function value at the given x-value. f(x)=x^(1/3), a=-27, x=-28 I found the derivative to be f'(x)= 1/[3(-27)^(2/3)] but it does not exist because a number cannot

    asked by sh
  322. Chemistry

    the activation energy for the decomposition of HI(g) to H2(g) and I2(g) is 186kj/mol. the rate constant at 555k is 3.42 x 10^-7 L/mol*s. What is the rate constant at 645K? Please show all steps USING THE ARRHENIUS EQUATION. Here is my work so far: K = A

    asked by Jim
  323. 3rd math

    Jake says adding 0 does not change a number. Is he correct? explain

    asked by choconcung
  324. chemistry

    write a balanced net ionic equation fir the reactions that occurred with the metal Mg reacting with Pb2+

    asked by josh sears
  325. Chemistry

    Arrange the following atoms in order of increasing effective nuclear charge experienced by the electrons in the n = 3 electron shell: K,Mg,P,Rh,and Ti. I think that the effective nuclear charge increases as you go up a group and across a period. so Rh, K,

    asked by Don
  326. physics

    Two force vectors F1 = (2.5 N) x - (3.0 N) y and F2 = - (6.0 N) x + (4.8 N) y are applied to a particle. What third force F3 would make the net, or resultant, force on the particle zero? Magnitude ___ N Direction ___° (from the +x axis)

    asked by rachel
  327. Management

    o Differentiate between management and leadershipwithinKraft Foods Ijustneedsome links to goto to find info where Ican do a 2,100 word essay

    asked by Alida178
  328. physics

    A certain freely failing object requires 1.70 s to travel the last 39.0 m before it hits the ground. From what height above the ground did it fall?

    asked by Anonymous
  329. Biology

    It is said that high temperatures inactivate catechol oxidase. How is it then that some Archaebacteria live in the hot springs of Yellowstone Park at temperatures as high as 73%.

    asked by Sarah
  330. US History

    25. What happened to national attitudes and government policy to cause a dramatic change in immigration from 1921-1926? Thanks -MC

    asked by mysterychicken
  331. 3rd math

    reasoning does 4+5 2 9+2 explain please help! Thanks :-)

    asked by choconcung
  332. bioethics

    I need to create a political cartoon about clinical trials. I have no idea what to do. Any suggestions would be greatly appreciated.

    asked by Meghan
  333. Management

    o Differentiate between management and leadership. o Describe the roles and responsibilities that organizational managers and leaders play in creating and maintaining a healthy organizational culture. o Evaluate the affect of globalization and management

    asked by Alida178
  334. 3rd grade math

    explain how you can use the basic fACT FOR 9+6=15 TO SOLVE THE NEXT EQUATION

    asked by samantha
  335. calculus

    At noon, ship A is 20 nautical miles due west of ships B. Ship A is sailing west at 18 knots and ship B is sailing north at 20 knots. How fast (in knots) is the distance between the ships changing at 6 PM?

    asked by Alexander M.
  336. algebra

    the three angles of a triangle are 3x,x+10, and 2x-40. Find the size of the smallest angle in a triangle

    asked by miles
  337. Physics

    A baseball is thrown at an angle of 25 degrees relative to the ground at a speed of 23.0 m/s. If the ball was caught 42.0 m from the thrower, how long was it in the air? How high was the tallest spot in the ball's path?

    asked by Luis
  338. physics

    Two force vectors F1 = (2.5 N) x - (3.0 N) y and F2 = - (6.0 N) x + (4.8 N) y are applied to a particle. What third force F3 would make the net, or resultant, force on the particle zero? Magnitude ___ N Direction ___° (from the +x axis)

    asked by rachel
  339. MATH

    what is the fact of 2x^2+34x-141

    asked by Mariah
  340. social studies

    what is the hemispheres of Nebraska/

    asked by Anonymous
  341. Finance

    The Star Restaurant Company owns and operates Chinese restaurants throughout the northwestern United States. Paris Brown, vice president of development, has been analyzing a new metropolitan market for expansion opportunities. The company’s best option

    asked by Jim
  342. math

    terri makes flower bouquets with exactly 3 roses and 5 daisies in each bouquet. she has 72 roses. how many daisies will she need to make the bouquets?

    asked by lasean
  343. English

    I have to tell if the verb is transitive or intransitive 1. Most people think of Bamboo as a tree or bush? 2. Bamboo belong to the grass family. 3. More than 500 kinds of bamboo grow in the tropic? 4.These plants thrive in warm climate. 5. People use

    asked by Ty
  344. chemistry

    A buffer solution contains 0.200 M NH3 and 0.250 M NH4Cl. What is the pH of the buffer solution after the addition of 10.0 mL of 0.100 M NaOH to 50.0 mL of the buffer? Kb for NH3 is 1.8 x 10-5.

    asked by Brett
  345. Chem.

    λ for one line of the hydrogen spectrum is .4118 x 10-4 cm. Use this value in the Rydberg equation to calculate the RH value using n1 = 2, and n2 = 6.

    asked by Toni
  346. 3rd math

    Reasoning does (4+5)+2 = 9+2? Explain Thanks

    asked by choconcung
  347. Chemistry

    Write balanced equations for the following reactions. Express your answer as a chemical equation. Identify all of the phases in your answer. 1. chromium (III) oxide with dilute hydrochloric acid A: Cr2O3 (s) + 6HCl (aq) ---> 2CrCl3 (s) + 3H20(l) (my phases

    asked by Don
  348. physics

    A 625-kg racing car completes one lap in 14.3 s around a circular track with a radius of 55.0 m. The car moves at constant speed. (a) What is the acceleration of the car?

    asked by rachel
  349. 8th grade

    how do you solve c=3d-27 ; 4d+10c=120

    asked by wendy
  350. Chemistry

    Need help with this-- 36. Balance this equation using coefficients. Fe + O2 --> FeO (the 2 is small) Thanks -MC

    asked by mysterychicken
  351. algebra 1

    help please this question is driving my crazy. Suppose there is a 2-degree drop in a temperature for every thousand feet that an airplanes climbs into sky. If the temperature on the ground is 65 degrees, what would be the temperature when the plane reaches

    asked by jazz
  352. chemistry

    what volume in Liters of 0.15M KCl solution is required to completely react with 0.150 liter of a 0.175M Pb(NO3)2 solution according to the following balanced equation? 2KCl(aq)+ Pb(NO3)2(aq)-PbCl2(s)+ 2KNO3(aq)

    asked by mike
  353. math

    how can adding doubles help you multiply by 2?

    asked by boo
  354. 6th grade

    100 milliliters of 10 degrees celsius water plus 100 milliliters of 90 degrees celsius water, what is the final temperature?

    asked by nataly
  355. Science

    Name 6 types of heat creating energy

    asked by Syd
  356. Math

    Howto use perfect square inside of a imperfect square when finding the square root.?

    asked by Sumaiya
  357. financial management

    What role do present value and future value have in the management of an organization?

    asked by Jerome
  358. math

    Our teacher gaves us a rational graph and we are supposed to determine its equation, there is more than one answer. So the aymptotes are vertical= x=-5 and x=2 horizontal asymptote= y=2 then there is a cubic function that crosses the x-axis at -2,0 and the

    asked by dani.
  359. Science

    Name 6 types of heat creating energy

    asked by Syd
  360. Chemistry

    Arrange the following atoms in order of increasing effective nuclear charge experienced by the electrons in the n = 3 electron shell: K,Mg,P,Rh,and Ti. I think that the effective nuclear charge increases as you go up a group and across a period. so Rh, K,

    asked by Don
  361. math

    A company wants to make 16 equal payments for a new computer that cost $2,229.99 and for a fax machine that cost $109.99 including tax. What is a resonable estiamte for each payment?

    asked by Anonymous
  362. 3rd homework

    think about how the word safe relates to dangerous. what words relate in the same way? safe: dangerous a) remove:add b) canyon:rim c) dangle:plank d) grip:jackhammer I am thinking "A" is the correct answer but unsure. Please advise. Thanks!

    asked by choconcung
  363. math

    A company wants to make 16 equal payments for a new computer that cost $2,229.99 and for a fax machine that cost $109.99 including tax. What is a resonable estiamte for each payment?

    asked by Anonymous
  364. Western Experience

    in what ways did the alliance system, implemented to maintain a peaceful balance of power in Europe, in fact have the opposite effec?

    asked by Kim
  365. physics

    How much work will a net force of 56·N west do on the cart as it moves 1·m?

    asked by Anonymous
  366. Chemistry

    One of the concerns about the use of Freons is that they will migrate to the upper atmosphere, where chlorine atoms can be generated by the following reaction: CCl2F2 --> CF2Cl + Cl Chlorine atoms can act as a catalyst for the destruction of ozone. The

    asked by Jim
  367. physics

    A 1.5 kg chunk of ice slides down a roof sloped at a 60 degree angle with the horizontal. If there is no friction, determine the acceleration of the ice. Show that the amount of mass doesn't matter in part a.

    asked by caroline
  368. physics

    What minimum speed does a 150 g puck need to make it to the top of a 5.90 m-long, 21.0 degree frictionless ramp?

    asked by Keechy
  369. chemistry

    a little help please? Anyone? can someone explain to me the trend in radii of O2-, F-, Na+, and Mg+

    asked by Marie
  370. health

    how you do a salgry?

    asked by nafina
  371. Chemistry

    Electromagnetic radiation with a wavelength of 665 nm appears as orange light to the human eye. The energy of one photon of this light is __________ J.

    asked by Sarah
  372. Chemistry

    The O−H bond enthalpy is 463 kJ/mol. What is the wavelength of light that will cause dissociation of H2O into the hydrogen atom and the hydroxyl radical

    asked by Sara
  373. math

    how you turn decimal to fraction or mixed number?

    asked by nafina
  374. math

    Need help with factoring this problem. Just want to make sure I followed the right steps. X^3-2X^2-X+2 there are four terms so i used grouping method X^2(X-2)(-1)(X-2) (X-2) (X^2-1) (X-2) (X-1) (X+1) Correct?

    asked by lomas
  375. math

    A vehicle leaves a skid mark of 40 ft before stopping. What has the approximate speed of the vehicle before it stopped? (the formula is speed=.7 times length, then find the square root times 5.5) Is is 25-35 mph?

    asked by Summer
  376. Science

    the small cylinder of a hydraulic press has an area of 2"(squared). If a force of 10# is applied to the small piston, how much is the pressure within the larger cylinder increased, according to pascal's principle.

    asked by Lisa
  377. math

    BLIND BATS AT HALLOWEEN There were number of bats in a cave. Two bats can see out of right eye, Three bats can see out of left eye, Four can't see out of left eye, and Five can't see out of right eye. What is the least number of bats in the cave & what

    asked by Ben
  378. language and arts

    i have a hard time in languages and arts

    asked by gabriel
  379. Science

    assume the pressure is kept constant if the volume of a gas quadruples, how does the absolute temperature change?

    asked by Lisa
  380. math

    if the bases are not the same or the exponents why would it not work?

    asked by kayla
  381. math

    What models can be used to help explain the concepts of addition and subtraction of rational numbers? What are the benefits to using such a model? What limitations does the model have? Create an addition or subtraction problem and demonstrate how the model

    asked by glenn
  382. Science

    if the large piston of a hydraulic press has an area of 60"(squared), what will be the total force upon it if a pressure of 15 psi is produced by the small piston?

    asked by Lisa
  383. college Physics

    Two identical 0.18 kg blocks (labeled 1 and 2) are initially at rest on a nearly frictionless surface, connected by an unstretched spring, as shown in the upper diagram, where x2 = 0.06 m. Then a constant force of 9 N to the right is applied to block 2,

    asked by Anonymous
  384. Calculus

    When a ball is thrown straight down from the top of a tall building, with initial velocity 30 ft/sec, the distance from the release point at time t in seconds is given by s(t)=16t^2+30t. If the release point is 300 ft above ground, what is the velocity of

    asked by Leanna
  385. math

    2=sq root of 2U+7 - sq root of U

    asked by Jim
  386. Science

    if a pressure of 10 psi on a volume of 5"^3 is reduced to 2 psi, by what factor does the pressure change?

    asked by Loren
  387. chemistry

    what is the name for the compound Al2I3??

    asked by Rebecca
  388. biology

    The structures in bryophytes that penetrate the ground and act like roots are a. xylem b. phloem c. rhizomes d. rhizoids

    asked by chip
  389. english

    Please help with this assignment!Thanks. I picked "Justice" I want to write about What is the moral aspect of Justice. Tell how can I write like the following below. Have to write like this and don't know how to go about it.Thanks! Definition Read the

    asked by Kate
  390. math

    a package of 6 stickers costs $1.50. Which equation can be used to find t, the total cost to give a sticker to 300 childeren? A. t = 9 x 300 B. t = 0.25 x 300 C. t = 0.25 x 50 D. t = 9 x 50 ?

    asked by Anonymous
  391. Calculus

    Find the differential dy and evaluate dy for the given values of x and dx. y=cosx x=pi/3 dx=0.05 2) y=e^x/10, x=0, dx=0.1 This is a different format than my teacher used in class so I'm confused. Help please!

    asked by kelli
  392. Chemistry

    What is the wavelength lambda of the photon that has been released in 2.05x10^-18?

    asked by Sarah
  393. Chemistry (electron config)

    Write electron configurations for the following ions. Tl^+ [Xe]4f^145d^8 is that correct?

    asked by Don
  394. Math

    Does 'using the unit circle' just mean that I use these: In Quadrant I, theta=beta In Quadrant II, theta=180-beta In Quadrant III, theta=180+beta In Quadrant IV, theta=360-beta Because the whole lesson we did was about that sort of thing, which is all

    asked by anonymous
  395. 8th grade

    Need help with inequalities and graphing them on a line graph!!!!

    asked by Jayne
  396. physics

    What was the initial kinetic energy of the small mass before the collision? What is the kinetic energy of the two-mass combination after the collision?

    asked by Derek
  397. Western Experience : Since the sixteenth century

    How did imperialism impact non-western economies? How did Europeans achieve these transformations of local economies? What were the effects of those transformations?

    asked by Kim
  398. Physics

    In a friendly game of handball, you hit the ball essentially at ground level and send it toward the wall with a speed of 16 m/s at an angle of 32° above the horizontal. a) How long does it take for the ball to reach the wall if it is 5.2 m away? (b) How

    asked by alex
  399. physics

    In a game of basketball, a forward makes a bounce pass to the center. The ball is thrown with an initial speed of 3.9 m/s at an angle of 13.8° below the horizontal. It is released 0.65 m above the floor. What horizontal distance does the ball cover before

    asked by alex
  400. science

    a shell has an initial velocity of 450 feet per second, what is the maximum height the shell reaches?

    asked by kayla
  401. physics

    A woman has a mass of 42.9 kg. What is her weight on earth? and what is her weight on the moon, where g=1.17 m/s2

    asked by Jason
  402. physics

    A 4111.0 kg truck is parked on a 14.6° slope. What is the friction force on the truck?

    asked by Jason
  403. chemistry

    A piece of iron(10)moles was dissolved in contrated Hcl.the reaction was form H2 and Fecl2. determine the amout of Fecl2 formed.

    asked by tamaica
  404. Calculus

    The burning candle A candle is placed a distance l1 from a thin block of wood of height H. The block is a distance l2 from a wall as shown in Figure 7.1. The candle burns down so that the height of the flame, h1 decreases at the rate of 3 cm/hr. Find the

    asked by Fee
  405. English

    Can you please check these sentences. I have to list the adverb then tell which word or words it modifies. 1.Yesterday I saw an exhibit of extremely rare books at the museum. 2.The paper in this old book is particularly fragile. 3.Old books must be handled

    asked by Anonymous
  406. math

    2. Grace is m inches tall and Grant is n inches tall. What is the difference in their height expressed in feet?

    asked by Anonymous
  407. algebra

    Express each situation as an algebraic expression: 1. An electric company charges $10 a month plus $.15 per kilowatt-hour of electricity used. What is the monthly bill in dollars if K kilowatt-hours are used?

    asked by Anonymous
  408. calculus

    A landscape architect wishes to enclose a rectangular garden on one side by a brick wall costing $30/ft and on the other three sides by a metal fence costing $20/ft. If the area of the garden is 2,000 ft2, find the dimensions of the garden that minimize

    asked by Anonymous
  409. physics

    A 3.0-kg body is initially moving northward at 15 m/s. Then a force of 15 N, toward the east, acts on it for 4.0 s. (a) At the end of the 4.0 s, what is the body’s final velocity? (b) What is the change in momentum during the 4.0 s?

    asked by thomas
  410. Phsyics - QUICK QUESTION

    what is the the effect on acceleration of increasing the mass of the cart without increasing the force that is causing the acceleration

    asked by gary