Questions Asked on
February 23, 2011

  1. Physics

    A 65kg trampoline artist jumps vertically upward from the top of a platform with a speed of 5.0m/s. a) How fast is he going as he lands on the trampoline, 3.0m below. b) if the trampoline behaves like a spring with a spring stiffness constant 6.2*10^4N/m,

    asked by Emily Grossman
  2. Physics

    How much work must be done to stop a 1250 kg car traveling at 105 km/h?

    asked by Emily Grossman
  3. Physics

    Doubling the voltage across a parallel plate capacitor does not double which of the following? a. the charge b. the electric field between the plates c. the energy stored d. the electric force on the plates e. both a and b is the answer A if not then how

    asked by David
  4. physics

    A special electronic sensor is embedded in the seat of a car that takes riders around a circular loop-the-loop at an amusement park. The sensor measures the magnitude of the normal force that the seat exerts on a rider. The loop-the-loop ride is in the

    asked by heather
  5. Linear Algebra

    Two prospectors are pulling on ropes attached around the neck of a donkey that doesn’t want to move. One prospector pulls with a force of 25 lbs, and the other pulls with a force of 50 pounds. If the angle between the ropes is 30 degrees, then how much

    asked by Emilie
  6. Physics

    A ski starts from rest and slides doen a 22 degree incline 75m long. a) if the coefficient of friction is 0.090, what is the ski's speed at the base of the incline? b). If the snow is level at the foot of the incline and has the same coefficient of

    asked by Emily Grossman
  7. Calculus

    Decide if the following function f(x) is differentiable at x=0. Try zooming in on a graphing calculator, or calculating the derivative f'(0) from the definition. f(x) = x^4sin(2/x), if x is not equal to 0, and f(x) = 0 if x = 0. If it is differentiable,

    asked by Abigail
  8. physics

    a .140 kg baseball is dropped from rest from a height of 2.2m above the ground. it rebounds to a height of 1.6 m. what change in the balls momentum occurs when the ball hits the ground

    asked by vicki
  9. Chemistry

    which property of a distilled water solution will not be affected by adding 50 mL of CH3OH to 100.mL of the water solution at 25? conductivity mass freezing point boiling point please help

    asked by Penny
  10. Calculus

    According to Kleiber's Law, the metabolic rate P (in kilocalories per day) and body mass m (in kilograms) of an animal are related by a three-quarter power law given below. Estimate the increase in metabolic rate when body mass increases from 65 to 66 kg.

    asked by Lillian
  11. Math

    Solve each system x + 3y = 6 4x - 5y = 7 I need to know what x and y equal??

    asked by Melanie
  12. Psychology

    Carl Jung’s idea of the collective unconscious states that we share: (Points: 5) inherited universal ideas, wishes, and memories. common learning experiences in childhood or infancy. tendencies to sacrifice ourselves individually for the group. ideas

    asked by Lisa
  13. math help PLEASE

    divide 891 by 40 and write the quotient as a mixed number

    asked by Greyson
  14. physics

    An airplane with a speed of 94.9 m/s is climbing upward at an angle of 63.2 ° with respect to the horizontal. When the plane's altitude is 743 m, the pilot releases a package. (a) Calculate the distance along the ground, measured from a point directly

    asked by jc
  15. chemistry

    if oxygen gas were collected over water at 22c and the total pressure of the wet gas were 710 mm hg what would be the partial pressure of the oxygen?

    asked by fox
  16. Maths

    The radius of a wheel is 7 cm. In covering 44 km, how many revolutions will it make?

    asked by Aravind
  17. statistics

    if a football coach predicts his team to win 9 out of 10 or 90% which prediction did he use to make his prediction

    asked by linda
  18. Physics

    Which process will double the power given off by a resistor? a. Doubling the current while doubling the resistance b. Doubling the current by making a resistance half as big c. Doubling the current by doubling the voltage d. Doubling the current while

    asked by R'Angel
  19. Physics

    A nichrome wire has a radius of 0.50 mm and a resistivity of 1.5 ´ 10‑6 W‑m. What is the resistance per unit length of this wire?

    asked by Kevin
  20. Chemistry - Enthalpy change and stoichiometry

    N2 + O2 = 2NO enthalpy change = +180.6kJ c) what is the enthalpy change for the formation of one mole of nitrogen monoxide? d) What is the enthalpy change for the reaction of 1.000 * 10^2g of nitrogen with sufficient oxygen? I do not understand how to

    asked by Farah
  21. physics

    The lowest temperature possible in nature is a. 0 degrees C. b. 4 K. c. -273 degrees C.

    asked by Anonymous
  22. college physics

    loft the ball with an initial speed of 15.0 m/s at an angle of 50.0° the horizontal. At this instant your opponent is 10.0 m away from the ball. He begins moving away from you 0.38 s later, hoping to reach the ball and hit it back at the moment that it is

    asked by jc
  23. math

    Jake has 3/4 of a dollar. Max has 1/10 of s dollar do they have more or less then $1.00 in all?

    asked by davy
  24. Psychology

    Evaluations of a particular belief, person, object, or idea describe a person’s: (Points: 5) attitudes. motivation. predispositions. biases. was thinking D im not sure can someone help please?

    asked by Lisa
  25. pre cal

    The radius of the earth is approximately 3960 miles, what is the linear speed of a point on the equator in miles per hour. Round your answer to the nearest mph.

    asked by ronneka
  26. Chemistry

    Consider the reaction: 2 H2S(g)-->

    asked by sally
  27. Chemistry

    Consider the reaction: 2 H2S(g)-->

    asked by sally
  28. social problems

    Increase in divorce rates over the last century related to :A)rejection of the ideology of the "good"family B) increasing financial independence of woman c)increasing abuse and conflict in families d) change in social norms toward greater acceptance of

    asked by vedrana
  29. Math

    A 3 foot long pole leans against a wall. The bottom is 5 feet from the wall. How much farther should the bottom be pulled away from the wall so that the top moves the same amount down the wall?

    asked by Karen
  30. 8th grade math

    Problem of the Week The Problems - Bull's Eye! 02/14/11 In the game of darts, players take turns throwing darts at a circular target like the one shown. The dartboard, as it is called, is typically affixed to a wall and consists of a series of concentric

    asked by Anonymous
  31. physics

    A 120-kg tackler moving at 5 m/s meets head-on (and tackles) a 80-kg halfback moving at 5 m/s, after which they couple together. What will be their mutual speed after the collision? Hint: use conservation of momentum law for INELASTIC collision.

    asked by Anonymous
  32. math

    A rectangle has a perimeter of 24 and an area of 35 square feet. What is the length and width of the rectangle?

    asked by Jess
  33. physics

    A boy of mass 54.3 kg is initially on a skateboard of mass 2.00 kg, moving at a speed of 10.4 m/s. The boy falls off the skateboard, and his center of mass moves forward at a speed of 10.9 m/s. Find the final velocity of the skateboard. magnitude

    asked by Anonymous
  34. physics

    Two planes of the same mass collide head-on and becomes tangled so that they move on together. If the engines of both were stopped at the moment of impact and the speeds of the planes at impact were 120m/s and 200 m/s, find the joint velocity immediately

    asked by Nelly
  35. math

    Find the mixed number or rational fraction in lowest terms represented by the repeating decimal. 1.363636

    asked by beverly
  36. 10th

    i am just abt to finish my 10th grade,i am very weak at maths and science,hence i have opted to take economics. 1.is this the right choice? 2.is there goin to be maths in it? 3.what are the core subjects involved?

    asked by sam
  37. programming

    Write a program that asks for the length and width of two rectangles. The program should tell the user which rectangles has the greater area, or if the area are the same.

    asked by Fran
  38. Chemistry

    The gaseous product of a reaction is collected in a 25 L container at 27 degrees Celsius. The pressure in a container is 300 kPa and the gas has a mass of 96 g. What is the formula mass of the gas?

    asked by Tania
  39. Math

    What is 10x + 2y - 10 = 0 in slope intercept form ? and can you also explain how you got the answer cause I'm not really sure how to convert that into slope intercept (y = mx + b) m = slope and b = y intercept

    asked by Melanie
  40. Physics

    When a certain spring is stretched beyond its proportional limit, the restoring force satisfies the equation F=-kx+βx^3. If k=8.5 N/m and β=105 N/m^3, calculate the work done by this force when the spring is stretched 0.114 m. My attempt: F=

    asked by Irina
  41. physics

    A soccer ball of diameter 30 cm rolls without slipping at a linear speed of 3.1 m/s. Through how many revolutions has the soccer ball turned as it moves a linear distance of 15 m?

    asked by Tin
  42. physics

    A speedboat starts from rest and accelerates at +1.69 m/s2 for 7.18 s. At the end of this time, the boat continues for an additional 4.55 s with an acceleration of +0.468 m/s2. Following this, the boat accelerates at -0.657 m/s2 for 8.38 s. (a) What is the

    asked by tish
  43. physics

    A Boeing 747 "Jumbo Jet" has a length of 59.7 m. The runway on which the plane lands intersects another runway. The width of the intersection is 21.3 m. The plane decelerates through the intersection at a rate of 5.33 m/s2 and clears it with a final speed

    asked by tish
  44. Chemistry

    Write an equation for the reaction that takes place when LiOH is added to water.

    asked by Stephanie
  45. physics

    Carbon atoms have 6 protons in their nucleus. In nm, at what distance from a carbon nucleus is the electric potential 3.1 V? I'm really confused with this question. I've been trying it for a while and cannot seem to get the right answer.

    asked by B
  46. world history

    what was the first hr on the titanic atmoshere like

    asked by ash
  47. spanish 4

    César le da consejos a un amigo en su primer día de trabajo porque el director de la cadena tiene muy mal humor. Escucha los consejos y cámbialos a mandatos. Sigue el modelo. Play audio For number 1 this is what the person says 1)el siempre pide que

    asked by Dave
  48. chamistry

    how do you calculate the mole fraction of HCl in an acqueous solution that contains 33.6% HCl by mass?

    asked by franco
  49. 7th grade math/distributing property homework

    I need help with the steps of one question: -8(n-2)+4(3-6n)= (-36). Trying to find out what 'n' is

    asked by Emma
  50. Physics

    If a curve with a radius of 88m is perfectly banked for a car traveling 75km/h, what must be the coefficient of static friction for a car not to skid when traveling at 95km/h?

    asked by Emily Grossman
  51. english

    how do you get the symbolism of a short story?

    asked by ted
  52. Chem

    as the pressure on a liquid is changed from 100.kPa to 120.kPa, the temperature at which the liquid will boil decease increase or remain the same ?

    asked by Hannah
  53. Chemistry

    The reaction X + Y --> products was studied using the method of initial rates. The initial rate of consumption of X was measured in three different experiments. What is the value of the rate constant, k? *concentrations are in mol/L and initial rates are

    asked by Jamie
  54. Intermediate Algebra

    I am suppose to do a graph using these numbers: 6x - 2y = 2 9x - 3y = 1 but I cannot get the graph link to come up any suggestions.

    asked by Gail
  55. physics

    A steel ball is dropped from a height of 50.0m. How far does this ball travel after 3 seconds?

    asked by Carman
  56. Finance

    3. Your firm is considering buying a new machine that costs $200,000, is expected to generate $110,000 in new revenue each year and will cost $45,000 a year to operate. If your firm's marginal income tax rate is 35% what is the Net Cash Flow your firm will

    asked by Whitney
  57. Chemistry

    The human body obtains 1094 kJ from a candy bar. If this energy were used to vaporize water at 100°C, how much water in liters could be vaporized? (Assume that the density of water is 1.0 g/mL.)

    asked by Mr.Chem
  58. English

    I still have a few more doubts on some sentences. I hope you still have time to check them. 1) Victorian values consisted in (better: implied) the possession of a comforable house, chariable activity (not actions?) and attending the church regularly. 2) As

    asked by Mike
  59. math

    whats the total surface area of the five sides( rectangular solid)? 20in., 24in, 8in.

    asked by Ally
  60. accounting

    a mutual fund has total assets of $57000000 and liabilities of $ 8550000. if 15960000 shares are outstanding, what is the net asset value of the fund?

    asked by lisa
  61. Calculus

    Identify any x-values at which the absolute value function f(x) = 6 |x + 7|, is not continuous: x = _____ not differentiable: x = _____

    asked by Cesar
  62. calculus

    how do you solve the folowing question giving respect to the given variable x 2(3 x + a)-b(2-x)=3(x+1)

    asked by Anonymous
  63. math 117

    Can you solve this radical expression? 3ã8+2ã8 Can someone help me on this problem, I am very lost.

    asked by Tracy
  64. algerbra/math

    His brother Carlos has 10 more games than Juan has. Write an algebraic expression the shows how many more games Carlos has than Juan

    asked by Sky
  65. algerbra/math

    Jolene has twice as many games as Juan. Write an algebraic expression that shows how many games Jolene has.

    asked by Sky
  66. Spanish

    7. "¿A qué hora llegaste esta mañana?" "_____a las ocho." a. Llegué b. Llegamos c. Llego d. Llegó B? 8. "¿Dónde lo viste?" "Lo _______ en la esquina." a. ve b. viste c. vi d. ven A? 9. Mi hermano fue ___ y _______ tescientos dólares para comprar

    asked by mysterychicken
  67. algerbra/math

    Don has three times as many games as Carlos. Write an algebraic expression that shows how many games Don has

    asked by Sky
  68. algerbra/math

    Don's little sister Nadia has half the amount of games Don has. Write an algebraic expression that shows how many games Nadia has.

    asked by Sky
  69. algerbra/math

    Leo has 1/5 of the amount Don has. Write an algebraic expression that shows how many games Leo has

    asked by Sky
  70. Physics-Please check-I had something wrong with my

    Would changing the frequency of a wave cause a change in amplitude? I would say only if the wave velocity remains the same because if the frequency increases, vibrations increase and then amplitude would decrease, correct? If I had a wave diagram will 4

    asked by Joelle
  71. chemistry

    The specific heat of the dilute NaCl solution formed during the neutralization of the HCl is about 2% less than the 4.184 J/k g assumed in the calculation for the molar heat of neutralization of the acid. How will this affect your final result for the heat

    asked by kate
  72. math

    -7.1+18.6=

    asked by nina
  73. physics

    Two objects .25m apart exert a force of 2.5x10 to the -11 power on each other, if thier total mass is 4kg, what is the mass of each?

    asked by mark
  74. physics

    Two objects .25m apart exert a force of 2.5x10 to the -11 power on each other, if thier total mass is 4kg, what is the mass of each?

    asked by mark
  75. Math

    I am writing a Commerical/Advertisement and my audience is single Proportion looking for the perfect match. My Topic I am making the AD is: Proportions: When are two fractions ever a perfect match to each other? I don't understand what my topic is and what

    asked by Sumaiya my 4th type posting this so plzz answer
  76. math

    What is 10-(-5)=?

    asked by rachel
  77. cultural diversity

    an early learning center that emphasizes "product" over "process" would

    asked by Anonymous
  78. math 117

    How about this one can you help me out on it?? 5*square root of 4 + 10*square root of 4

    asked by Tracy
  79. society

    two ways American institutions have brought oppressed groups closer to the American dream

    asked by pat
  80. algebra2

    What is the relationship between the degree of a polynomial and the number of zeros (roots) it posses? Be sure to explain in your answer how prime polynomials violate this relationship.

    asked by jodie
  81. society

    consider the level of individual commitment required to foster pluralism in society

    asked by zay
  82. soc 120

    Can countries such as the United States continue to grow and develop without causing environmental damage?

    asked by meshelle
  83. geometry

    what is the area of parallelogram XYZW with base 4 units and height 6 units?

    asked by yunis
  84. French

    I have this chart thing made for french with all the months, and I basically have to list down holidays and stuff which occur in those months and that too in French. So this is what I have so far, and please add anything that I don't have. Thanks *I also

    asked by Ayu
  85. English

    Here are some more sentences I'm still doubtful about. Thank you very much! 1)Industry dealers, who had settle school lessons dedicated to workers' sons, didn't follow the law. 2) (Correction: Factory owners, who were forced by law to teach their

    asked by Mike
  86. chem

    Name the phase transition in each of the following situations and indicate whether it is exothermic or endothermic. (a) Frost appears on a window on a cold winter day. Is frost considered a liquid? I am really confused thanks:)

    asked by Rebekah
  87. calculus

    Suppose A is a positive real number and mA is the average value of (sin(Ax))3 on the interval [0; 2]. Compute mA. what is lim mA as A goes to infinite?

    asked by m
  88. math 117 for bobpursley

    How about this one can you help me out on it?? 5*square root of 4 + 10*square root of 4

    asked by Tracy
  89. math

    It took Melanie 161 minutes to do her homework last night. About how many hours did she spend on her homework?

    asked by Ally
  90. math

    What is the equation of the line that contains the points with (x,y) coordinates (–3,7) and (5,–1) ?

    asked by Evi
  91. Chemistry

    Pb(C6H2O2)2+KCl= ???

    asked by Artie
  92. math

    what is the radius of a sphere if the volume is 2123 cubic cm

    asked by Gwen
  93. spelling

    i need words that end with ant and ance but they have to be the same words like distant/distance

    asked by ashley
  94. PHYSICS

    A person who weigh 500N climbs a flight of straight from the ground to the 4th floor of a building in 40sec. If the height of 4th is 10m find A... power in watts b.....power in Hp

    asked by EM
  95. chemistry

    determine the number of particles for each formular units upon dissolving in water. a0.025m NaNO3, B. 0.025m Pb(NO3)2 CD.C12H22011 D. 0.035m k2S

    asked by bimbola
  96. geometry

    what is the perimeter of a regular octagon whose sides are 9.4 centimeters long.

    asked by Aaron Penley
  97. math

    derivative of ln(x^3 + 2)

    asked by jack
  98. Business Psychology

    Describe major factors related to individual differences that affect job performance. Include factors of multiple intelligence, mental ability, skills, personality traits, and cultural behavior. Utilize at least one outside source in this discussion

    asked by Sherri
  99. binominals

    what is (y+7)x(y+3) ?

    asked by laura
  100. FRENCH

    Est-ce que tu preferes aller a Forte-1.De-France, a Annecy ou a Quebec? Pourquoi? I do not know how to answer this question, what I want to say is that: I would prefer to go to forte-de-france, a Annecy, and a Quebec because they are all beautiful places

    asked by AnySome
  101. math

    The following pattern continues indefinitely: REPEATREPEATREPEAT 1) What is the 38th letter in the pattern? Explain answer. 2) What is the 40th letter in the pattern? Explain answer. 3) What is the 604th letter in the pattern? Explain answer.

    asked by stacy
  102. Chemistry

    what was the first sample in the ChemQuandry and where is it used

    asked by Jessica
  103. math

    I need someone to help explain how this math problem works. I am not sure how to convert this fraction below to arrive at 100.8 degress. 7/25 .360 degrees=100.8 degrees How did this answer of 100.8 degrees come about in this equation?

    asked by Dave
  104. math

    integration by parts - Integration of x^2 ln(x^3+2)

    asked by zooey
  105. Calculus

    Find the slope of the tangent line to the ellipse (x^2)/4 + (y^2)/9 = 1 at the point (x,y)

    asked by Lisa
  106. geometry

    The measure of an angle of a parallelogram is 12 degrees less than 3 times the measure of an adjacent angle. find the measure of all the interior angels of the parallelogram.

    asked by Sarah
  107. Physical Science-Sould you please check my explana

    If I put my finger in a glass of water or a glass of oil, which would make my finger look bigger and why? I think it would be oil because of the why the light is refracted-a thicker medium would bend the light more than the water

    asked by Ray S.
  108. Physics

    Two point charges are separated by 10.0 cm and have charges of 2.0 μC and -2 μC, respectively. What is the electric field at the point midway between the two charges? (k = 8.99 x 109 N.m2/C2) A. 28.8 x 10 6 B. 14.4 x 106 C. 7.19 x 106 D. 3.59 x 106 E.

    asked by Anthony
  109. us history

    The goal of America's containment policy was to?

    asked by me shawdie
  110. algebra

    what is (8.1 x 10^-9) x (4 x 10^2)?

    asked by stacie
  111. math

    what is the answer of this problem:-3(a+3b)+(-1)(a+3b)-7+3(3a+b)

    asked by savana
  112. Algebra 2

    Add. (1/12x^4 +8/9x^3 +5/8x^2 +5) + (-7/12x^4 +3/8x^2-5. I apologize the previous problem was the incorrect one. This is the correct problem. Thank you.

    asked by Esther
  113. Algebra 2

    Add. (1/4x^4+3/4x^3+7/8x^2+9)+(-3x^4+1/8x^2-9. Please help, this is like chinese to me. Thank you.

    asked by Esther
  114. Algebra 2

    Add. (1/4x^4+3/4x^3+7/8x^2+9)+(-3x^4+1/8x^2-9. Please help, this is like chinese to me. Thank you.

    asked by Esther
  115. Algebra 2

    Add. (1/4x^4+3/4x^3+7/8x^2+9)+(-3x^4+1/8x^2-9. Please help, this is like chinese to me. Thank you.

    asked by Esther
  116. english

    one example of symbolism in the short story ''A company full of laughing faces''. pl help

    asked by ted
  117. Algebra II

    This is a quadratics function question. D: A company charges 20$ for a subscription to something and gains 30,000 subscribers. It looses 1,000 subscribers for every 1$ they raise the subscription price. If you could help me, that would be wonderful.

    asked by c:
  118. Math

    x^2+19x+12=-48

    asked by Danielle
  119. art

    ok tHE ARRANGE MENT OF THE SUBJECT MATTER OR THE SHAPES IN A PICTURE IS ~_ _ _ _ _ _ _ _ _ _ _.

    asked by READ ME!! NEED HELP PLEASE!!!!!!!!!!!!!
  120. AP English Language

    Identify the rhetorical device or devices used in each of the following: 1. Finally,brethren, whatever is true, whatever is honorable, whatever is right, whatever is pure, whatever is lovely, whatever is of good repute, if there is any excellence and if

    asked by Abisola
  121. physics

    A railway track travelling along a level at 9 m/s collides with, and becoms coupled to a stationary truck. Find the velocity of the coupled trucks immediately after the collision if the stationary truck has a mass which is : A ) equal to the mass of the

    asked by Nelly
  122. child care

    2. The ability to communicate feelings is one of the goals of

    asked by Anonymous
  123. language arts

    In word part break downs the word Comedian contains the word parts comed and ian meaning?

    asked by Nicole
  124. Math

    How do you multiply this polynomial (3m+4n)2

    asked by Cory
  125. physics

    A boy of mass 54.3 kg is initially on a skateboard of mass 2.00 kg, moving at a speed of 10.4 m/s. The boy falls off the skateboard, and his center of mass moves forward at a speed of 10.9 m/s. Find the final velocity of the skateboard. magnitude

    asked by Anonymous
  126. MLA

    What is an MLA work cited?

    asked by Planetearthturnsslowly
  127. physics

    A boy of mass 54.3 kg is initially on a skateboard of mass 2.00 kg, moving at a speed of 10.4 m/s. The boy falls off the skateboard, and his center of mass moves forward at a speed of 10.9 m/s. Find the final velocity of the skateboard. magnitude

    asked by Anonymous
  128. physics

    You are hired as ballistics expert and need to measure the muzzle speed of the bullet (with a mass, m = 20 g) for the gun. You fire a ballistic gun horizontally into a 2-kg ballistic pendulum (M = 2 kg) hanging at rest on a massless rod. After the bullet

    asked by Anonymous
  129. Physics

    Increasing the voltage across the two plates of a capacitor will produce what effect on the capacitor? a. increase charge b. decrease charge c. increase capacitance d. decrease capacitance how do i approach this one?

    asked by Kris
  130. French

    i know size adjectives come before nouns in french, but what if it's in a metaphorical sense? (for example, short life--would it be vie courte or courte vie?)

    asked by Cady
  131. social studies

    In the Country of haiti, there was an Earthquake. The International Red Cross came to help with this disaster. With Foreign Policy Makers (Deciders) Which decider would follow this example; President, Secretary of State, national security advisor,

    asked by cristal
  132. English

    Here are the last sentences I forgot to include before. Thank you very much. 1) Natural behavior, that is to say irrational and unrestrained, was considered good in contrast wt rational behavior. 2) Humble people were considered unspoilt by civilization.

    asked by Mike
  133. Chemistry

    How much energy is gained by a 40.8g sample of water whose temperature increases from 22 degrees celsius to 35 degrees celsius when left in the sun?

    asked by Elizabeth
  134. Calculus

    Sorry for posting another quesiton..; f(x) = { -7x^2 + 7x for x0 According to the definition of derivative, to compute f'(0), we need to compute the left-hand limit lim x-> 0− = _____ and the right-hand limit lim x->0+ ______ We conclude that f'(0)=

    asked by Cesar
  135. calculus

    Let P(t) represent the number of wolves in a pop. at time t in years, when t is greater than or equal to 0. The pop. P(t) is increasing at a rate directly proportional to 800-P(t), where the constant of proportionality is k. I just want to know if my

    asked by Anonymous
  136. please help java

    please help me with that as soon as any bady can processExpression - this method should take a String in the format: "integer [[+-*/] integer]*]" Your method should then process this expression and return the result as an integer. You must solve this

    asked by reima
  137. alg readiness

    How many dimes are in 4 and three-fifths dollars?

    asked by Kallie
  138. Physics

    A 11.3 weather rocket generates a thrust of 240 . The rocket, pointing upward, is clamped to thetop of a vertical spring. The bottom of the spring, whose springconstant is 570 , is anchored to the ground. Initially, before the engine is ignited, therocket

    asked by Irina
  139. chemistry

    how much heat is required to raise the temperature of one mole of NaCl(s) by 15 degrees celsius at constant pressure

    asked by emoni
  140. chemistry

    How do you calculate, as an example, [Fe3+] which remained unreacted in a solution, i.e. the equilibrium molarity of Fe3+? The actual question being, on my part, what equation would you use to figure this out? How would you solve this?

    asked by jen
  141. Physics

    how high does a stone rise if it is initially thrown at a rate of 15m/sec

    asked by kaleab
  142. Science

    What happens first in a lunar eclipse?

    asked by Kelly
  143. math

    find the sum of2 3/4 and 2 4/5.find the differnce between this sum and 6

    asked by gillian
  144. Traveling(saving money)

    how much are plane tickets to: india england

    asked by Charlie
  145. math

    the quotient of h and -6 is at least 5. in equation form

    asked by Mike
  146. Chemistry

    Why would an alcohol/water mixure not freeze at constant temperature.

    asked by Jude
  147. math

    the quotient of h and -6 is at least 5. in equation form

    asked by Mike
  148. math

    how many outcomes do you get when you have 1 shirt 1 sweater 1 pants

    asked by Anonymous
  149. calculus

    If x^{2} + y^3 - x y^2 = 5, find dy/dx in terms of x and y. Using your answer for dy/dx, fill in the following table of approximate y-values of points on the curve near x=1, y=2. Finally, find the y-value for x=0.96 by substituting x=0.96 in the original

    asked by Anonymous
  150. english

    what does "services rendered" mean? like work to be done?

    asked by Amy
  151. math

    into a rectangle could make two, two could do four in 3 would be 6 and so on. The question is: Describe how to find each "next nunber" of rectangles, without drawing the figure:

    asked by Micaela
  152. Math

    Solve the linear programming problem by the method of corners. Minimize C = 3x + 7y subject to 4x + y ≥ 39 2x + y ≥ 29 x + 3y ≥ 42 x ≥ 0, y ≥

    asked by ANGELA
  153. Environmental engineering

    (10 Points) A contractor is trying to estimate the distance to be expected of a drawdown of 4.81 m from a pumping well under the following conditions: Pumping rate = 0.0280 cubic meter per seconds Pumping time = 1066 d Drawdown in observation well = 9.52 m

    asked by Jazmin
  154. Math

    Solve each system x + 3y = 6 4x - 5y = 7 I need to know what x and y equal??

    asked by Melanie
  155. 3rd grade Math

    There are 4 square units in a row of carpeting , and 3 rows in Daniel's finished basement. How many square units of carpeting does he need to cover it completely. Thank you!

    asked by Dominique
  156. Math

    How do you calculate 420 divided by 5/8?

    asked by confused mama!
  157. math 95

    2+x-18/(x-3)-(x^2-9)

    asked by TY Brown
  158. math

    A b C D is a quadralateral- Diagonal AC is drawn assume that angle cab is congruent to cad and ab=ad Is triangle abc congruent to adc?

    asked by MEV
  159. french

    I NEED HELP!

    asked by Oshie T.
  160. English

    I need to write a Reading Response to "Why We Crave Horror Movies" by Stephen King. I need help figuring out the theme to the essay.

    asked by Meghan
  161. Math grade 3

    Identify the attributes of the shapes. Which attributes change according to a pattern?

    asked by Donna
  162. math

    I don't understand the rules for adding and subtracting postive and negative ,can you please explain it to me? im having a test

    asked by sue
  163. algebra

    I need to solve Y+15=18

    asked by Shanice
  164. social studies

    I need 3 facts about the code of Chivalry

    asked by Ana
  165. math

    how many weeks are in a year

    asked by Anonymous
  166. Functions

    What is 2x times 200-4x/3? {2x(-4x+200/3)

    asked by Samuel
  167. Chemistry

    How many moles are there in 80.0g of C2H5Cl? leave answer in significant figures. please help and explain how to get the answer.

    asked by Lisa
  168. physics

    A diver runs horizontally with a speed of 0.759 m/s off a platform that is 10.0 m above the water. What is his speed just before striking the water

    asked by tish
  169. maths, economics, game theory

    1. What is a degenerate game? 2. Is the following game degenerate or not, justify. 3. Find all nash equilibria in the game in pure or mixed strategies a b c d T 4,5 1,4 2,0 1,2 B 6,0 0,1 1,3 0,2

    asked by zayn
  170. physics

    If a washing machine's drum has a radius of 24 cm and spins at 4.1 rev/s, what is the strength of the artificial gravity to which the clothes are subjected? Express your answer as a multiple of g.

    asked by Tin
  171. Chemistry

    Hi I am doing a lab report for the kinetic behaviour of phenolphthalein in aqueous solutions. I did two runs, each with different concentrations of OH-, and Cl-. I have graphed x, ln x, and 1/x to determine which one has the most linear plot to determine

    asked by Sara
  172. chemistry

    (10 Points) A water initially contains 50 mg/L of Mg 2+ The pH of the water is increased . until the concentration of hydroxide ion is 0.0005 M. Calculate the concentration (mg/L) of magnesium ion in this water at this pH. Assume that the temperature of

    asked by Jazmin
  173. Math

    divide 891 by 40 and write the quotient as a mixed number

    asked by Greyson
  174. English

    Can you please check these sentences? Thank you very much. 1) Vietnam was divided into two parts after World War Two. North Vietnam was communist under the governement of Ho Chi Minh whereas South Vietnam was under control of the US. 2) The USA started to

    asked by Mike
  175. Math

    into a rectangle could make two, two could do four in 3 would be 6 and so on. The question is: Describe how to find each "next number" of rectangles, without drawing the figure:

    asked by Micaela
  176. physic

    A dynamite blast at a quarry launches a rock straight upward, and 2.0 s later it is rising at a rate of 15 m/s. Assuming air resistance has no effect on the rock, calculate its speed (a) at launch and (b)4.2 s after launch

    asked by tish
  177. CHEMISTRY: DUE TONIGHT. CHECK MY ANSWER?

    1. For the simple decomposition reaction below, rate = k[AB]2 and k = 0.40 L/mols. AB(g) A(g) + B(g) If the initial concentration of AB is 1.60 M, what is [AB] after 13.0 s? ANSWER: (.4)(13)=5.2 1/1.6=.625 5.2-.625=4.575 1/4.575= .2185 I tried .22 & .21.

    asked by Ashley
  178. Religious Studies

    Just need sme help with these questions: 1. Timothy 3:16 says that all scripture is inspired by God, what exactly does this mean? 2. If yu were a liberal Christian how would you interpret the creation story in Genesis 1-3? 3. If you were a fundamental

    asked by Hannah
  179. Physics Mechanics

    Particle A and particle B are held together with a compressed spring between them. When they are released, the spring pushes them apart, and they then fly off in opposite directions, free of the spring. The mass of A is 3.00 times the mass of B, and the

    asked by D
  180. analogies

    brother is to mother as fly is to what

    asked by Anonymous
  181. english

    25 independent words

    asked by kofi
  182. analogies

    mountain is to fountain as change is to what?

    asked by Anonymous
  183. Physics

    When a patient’s injured neck is healing, it is often desirable to prevent the weight of the head from pushing down on the neck. This can be accomplished with the system of pulleys shown in the figure. The pulleys are all small and extremely light in

    asked by Carl
  184. help please i need the code

    processExpression - this method should take a String in the format: "integer [[+-*/] integer]*]" Your method should then process this expression and return the result as an integer

    asked by reima
  185. analogies

    boil is to soil as goat is to what?

    asked by Anonymous
  186. College Math ll

    Area of a painting A rectangular painting with a width of x centimeters has an area of x^2 + 50x square centimeters. Find the binomial that represent the length

    asked by alice
  187. trigonometry

    is this correct? sin 255degrees 225 = 180 + 45 sin(225) = sin(180 + 45) = sin(180)cos(45) + cos(180)sin(45) sin(225) = 0 + (-1)(sqrt2/2) sin(225) = -(sqrt2)/2

    asked by anon
  188. chem- drbob222 please help

    my original question was: how do i figure this out?? How much heat does your body lose when 2.46 g of sweat evaporates from your skin at 25°C? chem - DrBob222, Tuesday, February 22, 2011 at 10:52pm q = mass water x delta Hvaporization. chem - Rebekah,

    asked by Rebekah
  189. geometry

    If the area of a square is 100 cm. What is the area of each triangle produced if you draw two diagonals in the square?

    asked by Michele
  190. sociology

    Marx weber agreed with Marx on the role economic and political conflicts play to change socities. And yet, weber disagreed with Marx about leadership, outcome, and measures of power.

    asked by keisha
  191. math

    can anyone tell me what 10^8 is?

    asked by laura
  192. analogies

    flower is to rose as tree is to what?

    asked by Anonymous
  193. Chemistry

    Why AgSCN is selectively precipitated before the formation of FeSCN2+? given that Ksp of AgSCN = 1x10^-12 and Kinstab of FeSCN2+ = 7.1x10^-3

    asked by anna
  194. Math (Help This Will Be on My Test Tomorrow!)

    What is 2x times 200-4x/3? {2x(-4x+200/3)

    asked by Samuel
  195. physics

    At time t=0 a projectile passes through the point (0,0,192) with a velocity v=10i-2j+16k. Because of spin and gravity, the projectile experiences an acceleration given by a=2i-32k. a. Find the velocity v(t) and position vector R(t) at time t>0. b. At what

    asked by nicole
  196. analogies

    mountain is to fountain as change is to what?

    asked by Anonymous
  197. chemistry

    a. trans-4-octene is reacted with H2O in the presence of H+. Do not show stereochemistry draw hydration product formed

    asked by Anonymous
  198. math

    a grocery store stocks 3 brands of yogurt.store sells two containers of brand A yogurt for every one container of brand B or brand C yogurt.if the store sells 100 containers of yogurt a day,how much of each brand of yogurt do they sell?

    asked by mamta
  199. math

    How do angles in a quad add up to 540. when split into triangles

    asked by james
  200. Social Studies

    Document Based Question Essay Question: The debate over the extent of federal power with regard to the states dominated the political scene the first twenty years of the post-Revoluntionary War United States and would set the stage for future division

    asked by Isabella
  201. math

    How do angles in a quad add up to 540. when split into triangles

    asked by james
  202. MATH

    how can you tell the fraction and the angle measure of rotational symmetry in an octogon. i need the smallest turn that matches the original figure hope i made sense!!!

    asked by Kristy
  203. 7th grade math

    The volume of a cube is 343 mm2. What is the length of one side of the cube?

    asked by Lauren
  204. Physics

    What is the time lapse between seeing the lightning strick and hearing the thunder 17 km away

    asked by Matt
  205. Finance

    A guy buys a car for $29,000 and finances it with a four year, 7% APR with monthly payments and compounding. How much of his third payment goes toward repaying principal?

    asked by Adam
  206. math

    I need help graphing equations and inequalites like 5x+4y=20,6x-2y=-4,3x+y=5, and -3x-y=0

    asked by Christina
  207. Medical Coding, Part 1

    10. Which of the following codes is used for the diagnosis "closed dislocation of the sternum"? A.839.61 C. 839.71 B.839.8 D. 839.9 11. A 50-year-old new female patient has had a sore throat and head congestion for five days. The physician performs an

    asked by eli
  208. Bentonia Gibbs

    Choose an appropriate scale and interval size for a frequency table that will represent 2341, 2590, 2718,2453, 4160, 2635, 2734,3362, 2744, 2485, 3395, 2350, 4000, 2964, and 2600.

    asked by Shineda
  209. math

    \;\normalsize{3log_a 4 - 2log_a 3 + 5log_a 1 }

    asked by Anonymous
  210. physics

    A ball is thrown up onto a roof, landing 4.50 s later at height h = 20.0 m above the release level. The ball's path just before landing is angled at θ = 54.0˚ with the roof. (a) Find the horizontal distance d it travels. What are the (b) magnitude and

    asked by Bob
  211. math

    \;\normalsize{3log_a 4 - 2log_a 3 + 5log_a 1 }

    asked by Anonymous
  212. Calculus

    Find the tangent approximation for sqrt(5+x) near 3

    asked by Lisa
  213. physics

    During a circus performance, a 67.2-kg human cannonball is shot out of a 17.1-m-long cannon. If the human cannonball spends 0.772 s in the cannon, determine the average net force exerted on him in the barrel of the cannon.

    asked by heather
  214. math

    HELP ME PLEASE!!!!! Convert to an improper fraction. Type in your answer with the negative in the numerator. -11 1/3= I have NO clue how to do this!?

    asked by giana
  215. Physics-Please check?

    Would changing the frequency of a wave cause a change in amplitude? I would say NO because they don't affect each other, correct? If I had a wave diagram will 4 complete waves showing and it said the diagram represented 4 sec in time the frequency would be

    asked by Joelle
  216. Chemistyr

    BaCl2(aq) + K2CrO4(aq) BaCrO4(s) + 2 KCl(aq) How many milliliters of 0.1200 M K2CrO4(aq) will react with 0.045 mol of BaCl2(aq)?

    asked by Anonymous
  217. English

    Can you please check these sentences I'm unsure of? Thank you very much 1)Nature was given great importance. (not "a" great importance) 2) He calls his students little pitchers to be filled with facts. 3) Its inhabitants were affected (or the health of its

    asked by Mike
  218. physics

    A football kicker can give the ball an initial speed of 30 m/s. What are the (a) least and (b) greatest elevation angles at which he can kick the ball to score a field goal from a point 48 m in front of goalposts whose horizontal bar is 3.44 m above the

    asked by Johnny
  219. Chemistyr

    BaCl2(aq) + K2CrO4(aq) BaCrO4(s) + 2 KCl(aq) How many milliliters of 0.1200 M K2CrO4(aq) will react with 0.045 mol of BaCl2(aq)?

    asked by Anonymous
  220. college physics

    An airplane is flying with a velocity of 240 m/s at an angle of 30.0° with the horizontal, as the drawing shows. When the altitude of the plane is 2.4 km, a flare is released from the plane. The flare hits the target on the ground. What is the angle è?

    asked by jc
  221. BIOLOGY

    Why are seeds considered a more effective means of reproduction than spores in a dry environment?

    asked by HELP?!?!
  222. Physics

    A cat rides a merry-go-round turning with uniform circular motion. At time t1 = 1.80 s, the cat's velocity is (3.60 m/s)i + (2.00 m/s)j , measured on a horizontal xy coordinate system. At t2 = 5.70 s, its velocity is (-3.60 m/s)i + (-2.00)j . What are (a)

    asked by leo
  223. math

    find the distance between the two points(7,3)(1,5)and(8,2),(4,1)

    asked by quincy
  224. college physic

    a rifle that has been ‘sighted in' for a 91.4-meter target. If the muzzle speed of the bullet is v0 = 328 m/s, there are the two possible angles è1 and è2 between the rifle barrel and the horizontal such that the bullet will hit the target. One of

    asked by jc
  225. math

    gcf of 8/5

    asked by mohamed
  226. geometry

    a cube is placed inside a right circular cylinder. How may cubic feet of water will file the cylinder that has the cube in it? The sides of the cube are 24. The radius of the cylinder in 12 square root of 2 thanks you

    asked by jenny
  227. Microbiology

    Gram stains and acid-fast stains of pus showed gram-positive acid-fast rods. What are the possible organisms?

    asked by Stephanie
  228. college physics

    A diver runs horizontally with a speed of 0.759 m/s off a platform that is 10.0 m above the water. What is his speed just before striking the water?

    asked by jc
  229. chemistry

    What is the approximate thermal energy in kJ/mol of molecules at 275° C

    asked by Sandra
  230. physics

    a stuntman runs on a roof and without giving himself a vertical impetus, wants to land on another roof, 2m lower and 5m further horizontally. What is the minimal velocity he needs to run at?

    asked by Ralph
  231. Chemistry

    Seawater contains 0.412 g Ca per kilogram of water. What is the number of moles of Ca per kilogram of water? What is the concentration of Ca measured in ppm? For the first question, it's changing the grams of Ca to moles of Ca. Is it .412 g / 39 g = .0105

    asked by Unknown
  232. physics

    We throw a ball horizontally at 10m/s. (a) after how much time does the trajectory form a 30 degree angle? (b)after how much time after the throw did the velocity double?

    asked by Ralph
  233. Chemistry

    What volume of dry hydrogen would be produced under standard consitions when 0.250g of magnesium reacts with excess HCl?

    asked by Richard
  234. w.e u want ti bve

    what does this represent? 5=3x+5

    asked by today
  235. math

    tell how many minute have passed and how many degree the minute hand has roteted from 3.33 to 3.45 -----minute pass the minute gand rotates ------degree

    asked by brandon
  236. math

    The altitude of a triangle is increasing at a rate of 3 centimeters/minute while the area of the triangle is increasing at a rate of 7 square centimeters/minute. At what rate is the base of the triangle changing when the altitude is 22 centimeters and the

    asked by Tim
  237. geometry

    What is the length of an equilateral triangle whose altitude has a length of 21

    asked by Anonymous
  238. CHEM 11 !

    What mass of oxygen is contained in 10.5 micromoles of Cr(NO3)3 * 6H20?

    asked by Lo-BO
  239. English

    These are the very last sentences. I really hope you can check them. It is really urgent. Thank you in advance. 1) Bitzer embodies the word of facts, in which Mr. Gradgrind believes. Society was regarded as an evil force, which prevented men from behaving

    asked by Mike
  240. math

    T SHAPED PLAYROOM WITH A PERIMETER OF 30 INCHES

    asked by najebe
  241. Chemistry

    Assume equal aqueous concentrations of each of the following substances. Which has the lowest freezing point? C2H12O6 CH3OH C12H22O11 NaOH i say its NaOH am i right ?

    asked by Jazmin
  242. math

    A triangle whose sides are 5,12, and 13 inches is similar to a traingle whose longest side is 39 inches. What is the perimeter of the larger triangle?

    asked by erika
  243. gr4math

    how do u rotate a triangle? using its coordinates and a protractor?

    asked by quick help!
  244. math

    is zero a multiple of every number? Find the prime factorization of the number, and write it in exponent form. 198 Compute the value of the given expression. _|8|_ |11-8| Evaluate the expression. -8x + 8y, for x = 8 and y = -1

    asked by Anonymous
  245. basic math

    how can i solve 5/30+3/40+1/8

    asked by joann
  246. ap chemistry

    methanol and ethanol are common organic solvents. if the mole fraction of CH3OH in a mixture of the two solvents is 0.4 what is the mole fraction of methanol in the vapor in equilibrium wih the liquid mixture at room temperature 25 celius. the vapor

    asked by jj
  247. science

    I need help doing examples for newton's 3 laws of motion....can you help me?

    asked by joe
  248. math

    1.5=3/y what does y=

    asked by stormy
  249. MATH

    regular pentagon Side length(inches) 6 If its 6 what is the perimeter( inches)

    asked by macy
  250. physics

    Estimate the speed of the parachutist descending at the constant velocity with open parachute. Assume the area of the parachute, A = 30 m^2, mass of a person, m = 100 kg, and density of air, roh = 1 kg/m^3. Enter the answer limited to the second decimal

    asked by Anonymous
  251. phyiscal science

    The process by which the sun gives us heat is

    asked by chell.bell
  252. physics

    A speeder passes a police car while traveling 130km/h. the police car imediently starts to accelerate at 10m/s^2 until the police car catches up to the speeder. how long does it take the police car to catch up?

    asked by Ty
  253. English

    Can you please suggest internet sites where I can find fill-in-the-blank exercises to practice computer-related terminology. Thank you. Here are some more sentences I'd like you to check. 1) The family was conceived as a patriarcal unit. 2) Women had the

    asked by Mike
  254. A Level Law

    fred has been arrested for murder what are his rights at police station and are they adequatly protected during detention searches and interviews

    asked by elizabeth
  255. Math

    Find the following function y=[(x-5)(4x+3)]^5 I arrived at 5(6x-2)[(x-5)(4x+3)]^4 The answer is 5(8x-17)[(x-5)(4x+3)]^4 but I am not sure how they got the 8x-17

    asked by Hannah
  256. economics

    The producer price index measures

    asked by Anonymous
  257. Math

    I am writing a Commerical/Advertisement and my audience is single Proportion looking for the perfect match. My Topic I am making the AD is: Proportions: When are two fractions ever a perfect match to each other? I don't understand what my topic is and what

    asked by Sumaiya
  258. physics

    The International Space Station, launched in November 1998, makes 15.65 revolutions around the earth each day in a circular orbit. Apply Newton's second law to the space station and find its height (in kilometers) above the earth's surface.

    asked by andrea
  259. physics

    The large blade of a helicopter is rotating in a horizontal circle. The length of the blade is 6.07 m, measured from its tip to the center of the circle. Find the ratio of the centripetal acceleration at the end of the blade to that which exists at a point

    asked by heather
  260. social studies

    explain how home,community,school all work together for children?

    asked by earl
  261. math

    Find the GCF of the numbers using an appropriate method. 84 and 126 Find the prime factorization of the number, and write it in exponent form. 198

    asked by Anonymous
  262. ALGEBRA

    The distance between (0, 0) and (0, 1) on a certain coordinate plane is 1cm. The distance between (0, 0) and (1, 0) on that same coordinate plane is 1cm. What is the distance between (0, 0) and (1, 1)? Explain your answer.

    asked by Ap
  263. The World History

    I need help with the answers to exams of this subject please anyone can,, on exams007678,007680,007681,007682 please send as soon as possible thanks to the one that is willing to hlep..

    asked by Peggy
  264. physics

    An Atwood machine consists of two masses (m1 = 175 grams, m2 = 485 grams) connected by a string over a frictionless pulley. The initial height above the floor is 157 cm. Both masses start from rest at point A ; point B is just as m2 hits the floor. What is

    asked by Bill
  265. math

    what is unit rate"?!

    asked by shesh
  266. Math

    |x + 2| + |2 - x| < 8

    asked by Joey S
  267. World History Honors

    Compare the differences and similarities between the militarists in japan and the european fascists. thanks for any help, much appreciated! :) -nicole

    asked by Nicole
  268. reimbursement methodology

    Differentiate between the official coding guidelines for using V codes in an inpatient and outpatient settong

    asked by kim
  269. socialstudies/reading

    when was phillis wheatly born?

    asked by janiaya
  270. physics

    A 5.0 kg bullet hits a 2.0 kg block of wood at 400. m/sec and is imbeeded in it. What will be the velocity of wood and bullet after impact?

    asked by Anonymous
  271. Physics

    A proton has a mass of 1.672 X 10 -27 kg. What is its weight? (using 9.81 for gravity)

    asked by Ashley
  272. grammar

    Are my sentences of appositive and appositive phrases correct? we planted a small tree, brought by my father, in the park and called it a "family tree." The reunion site, in the empty room, took us hours to clean up.

    asked by sgf
  273. physics

    Suppose the centripetal acceleration of the sample is 7.95 x 103 times as large as the acceleration due to gravity. How many revolutions per minute is the sample making, if it is located at a radius of 3.08 cm from the axis of rotation?

    asked by heather
  274. physics

    The earth rotates once per day about an axis passing through the north and south poles, an axis that is perpendicular to the plane of the equator. Assuming the earth is a sphere with a radius of 6.38 x 106 m, determine the centripetal acceleration of a

    asked by heather
  275. physics

    A mass of 0.755 kg is attached to a horizontal spring of constant 403 N/m as shown. The system is compressed a distance xa = 20.8 cm from its equilibrium position and released from rest. The coefficient of friction on the surface is μ = 0.354. The mass

    asked by Matt
  276. Chemistry

    in a closed system at 40 C, a liquid has a vapor pressure of 50 KPa. the liquid's normal boiling point could be (1)10 C (2)30 C (3)40 C (4)60 C

    asked by Hannah
  277. physics

    In a skating stunt known as "crack-the-whip," a number of skaters hold hands and form a straight line. They try to skate so that the line rotates about the skater at one end, who acts as the pivot. The skater farthest out has a mass of 69.0 kg and is 5.50

    asked by heather
  278. math

    a river flows at 2km/hr and sarah takes 6 hrs to row 16km up the river and 16km back.how fast did she row?

    asked by brittany
  279. AP Biology

    the process of making a complimentary copy of the DNA to form RNA is called?

    asked by unknown
  280. physics

    A stone has a mass of 6.01 g and is wedged into the tread of an automobile tire, as the drawing shows. The coefficient of static friction between the stone and each side of the tread channel is 0.948. When the tire surface is rotating at 14.7 m/s, the

    asked by heather
  281. physics

    A "swing" ride at a carnival consists of chairs that are swung in a circle by 16.6 m cables attached to a vertical rotating pole, as the drawing shows. Suppose the total mass of a chair and its occupant is 239 kg. (a) Determine the tension in the cable

    asked by heather
  282. Math/Finance

    A guy buys a car for $29,000 and finances it with a four year, 7% APR with monthly payments and compounding. How much of his third payment goes toward repaying principal?

    asked by Adam
  283. physics

    Two banked curves have the same radius. Curve A is banked at 11.0 °, and curve B is banked at an angle of 17.4 °. A car can travel around curve A without relying on friction at a speed of 15.3 m/s. At what speed can this car travel around curve B without

    asked by heather
  284. physics

    Two banked curves have the same radius. Curve A is banked at 11.0 °, and curve B is banked at an angle of 17.4 °. A car can travel around curve A without relying on friction at a speed of 15.3 m/s. At what speed can this car travel around curve B without

    asked by heather
  285. Physics

    How fast (in rpm) must a centrifuge rotate if a particle 9.00cm from the axis of rotation is to experience an acceleration of 115,000g's?

    asked by Emily Grossman
  286. physics

    A satellite is placed in orbit 2.75 x 105 m above the surface of Jupiter. Jupiter has a mass of 1.90 x 1027 kg and a radius of 7.14 x 107 m. Find the orbital speed of the satellite.

    asked by heather
  287. Accounting

    how do i record a refund on a accounting equation?

    asked by Molebogeng
  288. physics

    Suppose the radius of the room is 3.97 m and the speed of the wall is 12.0 m/s when the floor falls away. The source of the centripetal force on the riders is the normal force provided by the wall. (a) How much centripetal force acts on a 56.0 kg rider?

    asked by heather
  289. Algebra 2

    Divide and check. Write your answer using non negative exponents 40x^2y^2/5x^4y^2. Thank you.

    asked by Esther
  290. psyology

    describe why it is important to consider each domain in the study of adult development

    asked by gary
  291. physics

    consider the magnitude of the normal force that the pilot's seat exerts on him at the bottom of a dive. The plane is traveling at 273 m/s on a vertical circle of radius 706 m. Determine the ratio of the normal force to the magnitude of the pilot's weight.

    asked by heather
  292. physics

    A lawn roller is rolled across a lawn by a force of 109 N along the direction of the handle, which is 24.2 above the horizontal. If the lawn roller develops 66.1 W of power for 64 s, what distance is the roller pushed? Answer in units of m.

    asked by pete
  293. physics

    A child is twirling a 0.0165-kg ball on a string in a horizontal circle whose radius is 0.149 m. The ball travels once around the circle in 0.543 s. (a) Determine the centripetal force acting on the ball. (b) If the speed is doubled, by what factor does

    asked by heather
  294. physics

    A lawn roller is rolled across a lawn by a force of 109 N along the direction of the handle, which is 24.2 above the horizontal. If the lawn roller develops 66.1 W of power for 64 s, what distance is the roller pushed? Answer in units of m.

    asked by pete
  295. science

    what is the force used to accelerate a 50g toy car at a rate of 4m/s/s?

    asked by taylor
  296. physics

    A lawn roller is rolled across a lawn by a force of 109 N along the direction of the handle, which is 24.2 above the horizontal. If the lawn roller develops 66.1 W of power for 64 s, what distance is the roller pushed? Answer in units of m.

    asked by pete
  297. social problems

    A recent development that has reduce the payoff of education is the:A) disparity between educational attainment and number of jobs available for skilled workers b)fact that best education is available only to those from higher socioeconomic strata

    asked by vedrana
  298. Earth science

    what is the most important reason that sediments at beaches are usually rounded and smooth

    asked by Michael
  299. statistics

    A researcher randomly selects 37 subjects and administers an attitude test regarding a product. Their mean is 22 and their standard deviation is 2.4. Construct the 90% confidence interval for the mean score of all such subjects

    asked by mandy
  300. Precalculus

    The directions are write the expression as the sine, coine, or tangent of an angle. (tan 25 degrees + tan 10 degrees) / [1 - [(tan 25 degrees)(tan 10 degrees)]]

    asked by Angela
  301. CHM general 2

    Indicated whether the calculated molarity of NaOH would be lower or higher Than the real value; or unaffected? a) the water of the NaOH solution is not boiled and cooler before the solution is prepared b) The buret, wet with water, is not rinsed with NaOH

    asked by Grettel
  302. physic

    If the work required to speed up a car from 13 km/h to 20 km/h is 6.5×103 J, what would be the work required to increase the car’s speed from 20 km/h to 35 km/h?

    asked by paul
  303. LA Writing

    Can somebody score my 200word essay? Its not exactly 200 words. What it means to be successful Being successful has a different meaning to everyone. One would think that this is a very important thing in life. People strive for success, but not everyone

    asked by yuyu
  304. math

    A piece of cloth that measures 1 yard in length is about the same length as cloth measuring___________ in length.

    asked by Ally
  305. vocabulary

    which of these words probaby comes from the latin word conducere ,meaning to lead together

    asked by dalila benjamin
  306. Physics-Could someone please help me?

    Could someone provide me with a simple explanation of how the Doppler Effect is used to determine the speed and direction of moving object

    asked by Julia
  307. Chemistry

    What is the pH of a 0.94 M solution of HBrO that is also 0.59 M in magnesium hypobromite, the salt of it's conjugate base? The Ka for HBrO = 2.8 X 10-9.

    asked by Carl
  308. physics

    How long would a 150 W lightbulb have to glow to produce the same amount of energy expended by Georgie? Answer in units of s.

    asked by pete
  309. pre cal

    a pendulum length 12.3 inches swings 2 degrees and 57 minutes to each side of its vertical position. To the nearest hundredth of an inch, what is the lenght of the arc through which the end of the pendumlum swings?

    asked by ronneka
  310. Algebra 2

    (1/16x^4 +3/8x^3 +1/8x^2-1)+ (-9/16x^4 +7/8x^2 -1) Can you please help me solve this problem? Thank you.

    asked by Esther
  311. English

    I still have some more sentences to check. I hope you can help me. By the way, do you know of any sites with fill-in-the-blank activities on computer terminology? 1) The role of women was that of educating the children. 2) Under the influence of Rousseau's

    asked by Mike