Questions Asked on
March 2, 2008

  1. calculus

    A woman 5.5 ft tall walks at a rate of 6 ft/sec toward a streetlight that is 22 ft above the ground. At what rate is the length of her shadow changing when she is 15 ft from the base of the light?

    asked by Anonymous
  2. calculus

    You are designing a rectangular poster to contain 256 in^2 of printing with a 3-in. margin at the top and bottom and a 2-in. margin at each side. What overall dimensions will minimize the amount of paper used?

    asked by Anonymous
  3. Physics

    A 550 turn solenoid is 15 cm long. The current in it is 33 A. A 3.0 cm long straight wire cuts through the center of the solenoid, along a diameter. This wire carries a 22 A current downward( and is connected by other wires that don't concern us). What is

    asked by jenish
  4. chemistry

    name each of the following ionic compounds by stock system... couldn't find these in the list. a)NaCl b) KF c) CaS d) Co(NO3)2 e)FePO4 f)Hg2SO4 g) Hg3(PO4)2

    asked by john
  5. grammar

    I have a sentence: langston hughes who lived from 1902 to 1967 read works by the great twentieth century midwestern poets vachel lindsay edgar lee masters and carl sandburg used their influence in writing his own poetry. Now I need help writing the parts

    asked by Sushinetavia
  6. calculus

    You are using Newton's method to solve x^3-5x-2=0. If your first guess is X1=2, what value will you calculate for the next approximation X2?

    asked by Anonymous
  7. physics!

    Suppose the amplitude and frequency of a transverse wave are, respectively, 1.3cm and 5.0Hz. Find the total vertical distance (in cm) through a fixed point in 3.0s. PLEASE GIVE ME SOME IDEAS TO DO IT!!!THANKS A LOT!!!!!!!

    asked by Helen
  8. PHYSICS!!!HELP!!

    The speed of a transverse wave on a string is 450 m/s, while the wavelength is 0.18m. The amplitude of the wave is 2.0mm. How much time is required for a particle of the string to move through a total distance of 1.0km? I NEED SOME HINTS TO DO IT!!!PLEASE

    asked by Loretta
  9. thermochem

    It takes 333.51 joules to melt exactly 1 gram of H2O. What is the molar heat of fusion for water, from this data?

    asked by me
  10. Chemistry

    It takes 333.51 joules to melt exactly 1 gram of H2O. What is the molar heat of fusion for water, from this data?

    asked by PLEASE IT
  11. english (books)

    need to know where to find the book the wreck of the zanzibar by micheal morpurgo

    asked by katie
  12. Chemistry

    what precipitate (if any) will form? Al(NO3)3 (aq) + Ba(OH)2 (aq)

    asked by Whitney
  13. Physics

    A man lifts a 21.1 kg bucket from a well and does 3.1 kJ of work. How deep is the well? Assume that the man lifts the bucket at constant speed. Answer in units of m. I am not sure if I did this right: (mg)(d)= Wnet (21.1 kg)(9.81)(d)= 3100J d= 14.98 meters

    asked by Julia
  14. chemistry

    225 mg sample of diprotic acid is dissolved in enough water to make 250mL solution.the pH of this solution is 2.06. a saturated solution of calcium hydroxide Ksp=1.6E-6 Then the saturated solution of calcium hydroxide is prepared by adding excess calcium

    asked by timmathy
  15. Physics

    A 2500kg car is travelling due west at 30m/s when the brakes are applied, exerting a force of 5000 N [E]. What is the car's acceleration due to the braking?

    asked by Marty
  16. physics

    A man pulls a crate of mass 53.0 kg across a level floor. He pulls with a force of 180.0 N at an angle of 28.0° above the horizontal. When the crate is moving, the frictional force between the floor and the crate has a magnitude of 124.0 N. If the crate

    asked by Courtney
  17. PHYSICS

    Three moles of an ideal gas are compressed from 5.5*10^-2 to 2.5*10^-2 m^3. During the compression, 6.1*10^3J of work is done on the gas, and heat is removed to keep the temperature of the gas constant at all times. Find the temperature of the gas. I

    asked by sTELLA
  18. chemistry

    write the formulas and give the names of the compounds formed by the following ions a) Cr^2+ and F^- b) Ni^2+ and O^2 and c) Fe^3+ and O^2-

    asked by john
  19. calculus

    Use the linearization approximation (1+x)^k=1+kx to find an approximation for the function f(x)=(1/square root of 4+x) for values of x near zero.

    asked by Anonymous
  20. chem

    in nuclear reactions there is often a measurable difference in the mass of the reactants and the mass of the products that is not the result of errors in massing. what is the reason for the difference in mass value?

    asked by ashley
  21. math

    Posted by mota THE MASS OF THE SUN IS ABOUT 10^27 METRIC TONS , OR 10^30 KILOGRAMS . HOW MANY KILOGRAMS ARE IN ONE METRIC TON ? ----------------------- math - drwls 1000. ----------------------- explain please i want to understand this question :) this is

    asked by mota
  22. math

    The adult dose of a liquid medication is 0.1ml/kg to be administered in a single dose. How many teaspoonfuls should be administered to a person weighing 220 pounds?

    asked by melissa
  23. Corporation Finance

    If you put up $28,000 today in exchange for an 8.25%, 15-year annuity, what will the annual cash flow be? The answer I came up with was $30,310, does anyone know a formula or the steps to find the answer, I just trying using the pmt function in excel.

    asked by Lisa
  24. physics

    You're explaining to a younggster at the seashore why the water is cyan colored.The youngster points to the whitecaps of overturning waves and ask why they are white. what is your answer?

    asked by ann
  25. Earth science

    the youngest part of ocean floor is found

    asked by Anonymous
  26. Spanish

    What do these phrases mean? I can't find a good spanish to english translater. Al Cafe es el cultivo principal del Valle Central El Parque Nacional Tortuguero, en la costa caribena de costa rica, es hogar de muchas plantas y animales como la tortuga verde,

    asked by Lauren
  27. science

    a glass is partially filled with water. Five ice cubes are placed in the glass, causing the level of the water to reach the rim of the glass. Which of the following statments best explains the increase in water level? A)The volume of the sumerged ice is

    asked by polly
  28. Physics

    A proton follows a spiral path througha gas in a magnetic field of .010 T , perpendicular to the plane of the spiral.In two successive loops, at point P and Q, the radii are 10.0mm and 8.5 mm,respectively.Calculate the change in Kinetic energy of the

    asked by jenish
  29. Algebra II

    Determine the equation of any vertical asymptotes and the value of x for any holes in the graph: f(x)= x^2-11x+18/x-2. I factored and got: (x-9)(x-2)/x-2 Answer: no vertical asymptotes and x= 2&-7 are the holes. Is this correct? Thanks.

    asked by Lucy
  30. science

    Why do u think the vial of water in plain ice didn't freeze, bu the vial of water in salted ice did freeze?? People put salt on ice when they make ice cream. Why do they do that?

    asked by Melony
  31. calculus

    Let y = sin(x^2-3). find dy.

    asked by Anonymous
  32. Physics

    A boat is to be driven from a point on the South bank of a river which flows West-to-East to a destination on the North Bank. The destination is in a direction of N60E from the starting point. The river is 0.2 km wide. The driver of the boat finds that in

    asked by Anonymous
  33. Science

    What were the undiscovered elements of Mendeleev's periodic table?

    asked by Maddie
  34. science

    What other interesting scientific information can you find associated the topic? peniciilin

    asked by mike
  35. Physics

    A boat travelling at 30km/hr relative to water is headed away from the bank of a river and downstream. The river is 1/2 km wide and flows at 6km/hr. The boat arrives at the opposite bank in 1.24 min. I calculated the perpendicular component of the boat

    asked by Anonymous
  36. U.S. History

    What were the key arguments for and against U.S. imperialism during the Spanish American War??

    asked by Erica
  37. Chemistry

    I have a few questions, if anyone can help me at all it would be amazing. i need this done by TOMORROW (03/03/2008) 1. Cyanogen has been observed in the atmopshere of Titan, Saturn's largest Moon, and in the gases of the interstellular nebulas. On Earth,

    asked by T
  38. physics

    what colors of ink do color ink -jet printers use to produce a full range of colors? do the colors form by color addition or by color subtraction?

    asked by sam
  39. calculus

    A rectangle with its base on the x-axis is to be inscribed under the graph of y=2-x^2. Find the height of the rectangle if the area is the largest possible area.

    asked by Anonymous
  40. AP Chemistry

    There are three salts that contain complex ions of chromium and have the molecular formula CrCl3 6H2O. Treating 0.248g of the first salt with a strong dehydrating agent resulted in a mass loss of 0.036g. Treating 248mg of the second salt with the same

    asked by Michael
  41. science

    a glass is partially filled with water. Five ice cubes are placed in the glass, causing the level of the water to reach the rim of the glass. Which of the following statments best explains the increase in water level? A)The volume of the sumerged ice is

    asked by polly
  42. Physics

    A 4.5 g bullet is stopped in a block of wood (m= 5.04 kg). The speed of the bullet-plus-wood combination immediately after the collision is 0.298 m/s. What is the original speed of the bullet? Answer in m/s. I did it like this and got it wrong: mv=MV .298=

    asked by Marcy
  43. Physics

    A boat travelling at 30km/h relative to water is headed away from the bank of a river and downstream. The river is 1/2 km wide and flows at 6km/h. The boat arrives at the opposite bank in 1.25min. Calculate the component of the boat's velocity directed

    asked by Anonymous
  44. Chem

    I have a few questions, if anyone can help me at all it would be amazing. i need this done by TOMORROW (03/03/2008) 1. Cyanogen has been observed in the atmopshere of Titan, Saturn's largest Moon, and in the gases of the interstellular nebulas. On Earth,

    asked by T
  45. home economics

    Graphing : Mooville is a small town in texas. assume that beef is a normal good. what happens to the amount of beef dfemanded or supplied in each of the following cases? draw a separate demand and supply curve for each part of this question, label the

    asked by Miriam
  46. Math

    ----- If: sin(3pi / 10) = (1 + squareroot 5) / 4 Find the exact value of cos(pi / 5) ----- Thankyou very much. Of course, all help is appreciated.

    asked by sqleung
  47. calculus

    The volume of a right circular cone is given by V=(1/3)[pie]r^2h, where r is the raius and h is the height Find (dV/dt) if r=4,h-5,(dr/dt)=6, and (dh/dt)=-3

    asked by Anonymous
  48. Chemistry

    What volume of 0.0500 M Ba(OH)2 will react completely with 27.50 mL of 0.550 M HCl?

    asked by Whitney
  49. advanced math

    I did the math for the previous problem I posted, using this formula: -b+ or - the square root of b^2-4ac/2a. When I did this for -x^2+2x-1, I got 0/-2. I did the math and the x and y intercept came out to be -2 and -2. But when I graphed this on my

    asked by Sharon
  50. physics

    Three moles of an ideal gas are compressed from 5.5*10^-2 to 2.5*10^-2 m^3. During the compression, 6.1*10^3J of work is done on the gas, and heat is removed to keep the temperature of the gas constant at all times. Find the temperature of the gas. Can

    asked by Stella
  51. Physics

    A pilot must fly his plane to a town which is 200km from his starting point in a direction 30degrees N of E. He must make the trip in 1/2 h. An 80km/h wind blows in a direction 30degrees E of S. Find the speed of the plane relative to air. I found the

    asked by Anonymous
  52. PHYSICS

    Three moles of an ideal gas are compressed from 5.5*10^-2 to 2.5*10^-2 m^3. During the compression, 6.1*10^3J of work is done on the gas, and heat is removed to keep the temperature of the gas constant at all times. Find the temperature of the gas. Can

    asked by sTELLA
  53. health information

    which of the following is not a function of the discharge summary?

    asked by nereida
  54. Science

    How is science related to to the topic? What type of scientist are involved? How do scientist contribute? What other interesting scientific information can you find associated the topic? can u answer these quetion please the topic is about Penicliilins, 3

    asked by tysin
  55. Organizational Behavior

    How can a person’s perception of others impact an organization’s behavior?

    asked by JM
  56. Algebra II

    Write an equation for the parabola with focus (1,3) and vertex (0,3). I cannot find any example in my book that works a problem with the vertex, all of the examples that I have to go by give only the focus and directrix. Thanks.

    asked by Lucy
  57. chemistry

    explai9n why methane is a non polar substance. please help

    asked by sarah
  58. biology

    What is the effect of enzyme concentration on enzyme activity? Explain how enzyme activity changes as enzyme concentration decreases, and discuss why this occurs (on a molecular level).

    asked by Anonymous
  59. Java help please

    I am trying to run the following program and am getting this error: java.util.InputMismatchException import java.io.*; import java.util.*; public class Pre2 { static Scanner console = new Scanner(System.in); public static void main(String[] args)throws

    asked by Mike
  60. chemstry

    name Fe 2+ according to the stock system

    asked by john
  61. science

    how does one determine the mass and volume of a small but heavy rock? what tools could i use? what would be the units of measure for volume and mass

    asked by polly
  62. calculus

    what is the integral of (x^2-x+6)/(x^3-3x)? the process involves partial fractions, and the answer is supposed to include ln and arctan... i just don't know how to get there.

    asked by belinda
  63. physics

    A car (m = 640.0 kg) accelerates uniformly from rest up an inclined road which rises uniformly, to a height, h = 43.0 m. Find the average power the engine must deliver to reach a speed of 19.9 m/s at the top of the hill in 23.9 s(NEGLECT frictional losses:

    asked by beth
  64. Physics

    a 76 kg window cleaner uses a 12 kg ladder that is 5.8 m long. he places one end on the ground 2.8 m from a wall, rests the upper end against a cracked window, and climbs the ladder. he is 2.5 m up along the ladder when the window breaks. neglect friction

    asked by Sarah
  65. English

    For my English class, I had to write an essay comparing two short stories. I wrote it but I am not at all confident with the quality of it. Can I post it here to have it proofread? It's 3 pages double-spaced.

    asked by Emily
  66. Pre-Algebra

    The ratio of cars to people in Australia is 350 to 1000. Write this ratio as a fraction in simplest form.

    asked by Brandon Mirza
  67. prefix and suffix

    I need help finding a suffix word for ier- ne- ious- es- s- uous- I need a prefix word for franco- Can anyone help me

    asked by Taylour
  68. Algebra II

    Write an equation for an ellipse if the endpoints of the major axis are at (1,6) and (1,-6) and the endpoints of the minor axis are at (5,0) and (-3,0). My answer is y^2/36 + (x-1)^2/16 = 1. Is this correct? Thanks.

    asked by Lucy
  69. MATH-HELP!

    The region R, is bounded by the graphs of x = 5/3 y and the curve C given by x = (1+y^2)^(1/2), and the x-axis. a) Set up and evaluate an integral expression with respect to y that gives the area of R. b) Curve C is part of the curve x^2 - y^2 = 1, Show

    asked by PLEASE HELP!
  70. Latin

    I have to do a presentation on Catullus 45 (with Acme and Septimius and their love). I've decided to do a bubble diagram and a collage but I'm having trouble with the analysis. Please help.

    asked by Anonymous
  71. Algebra II

    Simplify: d/d^2-9 + 5/2d+6 I got as far as d/(d+3)(d-3) + 5/2(d+3) but do not know how to further simplify. Thanks for any help given.

    asked by Lucy
  72. chemistry

    I have more more problem i need some help figuring out. I really do not know how to even approach this problem; there is so much information. - A newspaper article about the danger of global warming from the accumulation of greenhouse gases such as carbon

    asked by T
  73. accounting

    At December 31, 2004, Enfron Corporation reported the following data (condensed in millions): Stockholders' equity 11470 Total current liabilities 28406 Long-term liabilities 25627 Investments and other assets 23379 Property, plant, equipment, net 11743

    asked by Del
  74. Physical science

    What formula's do I use to solve these problems? A 1.04x10^3 kg car accelerates uniformly from rest to 12 m/s in 2.16 seconds. a) What is the work done on the car in this time interval? Answer in Joules. b) What is the power delivered by the engine in this

    asked by Christy
  75. chemistry

    how mant electron valences are in CCl4

    asked by colleen
  76. math

    A STUDENT SAID THAT 3^5 / 9^5 IS THE SAME AS 1/3 . WHAT MISTAKE HAS THE STUDENT MADE ?

    asked by mota
  77. IB Math SL

    Find a unit vector which is perpendicular to both of the vectors 4i + 2j - 3k and 2i - 3j + k.

    asked by Wanda
  78. Physics

    When the direction is 30degrees N of E is it E30degreesN?

    asked by Anonymous
  79. accounting

    What are "poison pills?" Do they increase or decrease the price of a company's stock? Are poison pills good for the economy?

    asked by Del
  80. Math

    The local video store has determined that 65% of the store's customers are women. What is the probability that the next 3 customers will be women? Round to the nearest percent.

    asked by Mike
  81. school technology

    what are a few examples of Technology use in American Schools from the 1980s to the persent

    asked by BRAD M.
  82. Algebra II

    Solve: -x^4 + 200 = 102x^2

    asked by Jon
  83. calculus

    for each series determine if the series is absolutely convergent and convergent the sum from 0 to infinity of (-1)^n/(the square root of (n+1))

    asked by sarah
  84. calculus

    determine if the series is absolutely convergent and convergent the sum from n=1 to infinity of sin(n^2)/n^2 what series test should I use and how? the ratio test?

    asked by sarah
  85. chemistry

    Which of the following is a stable ion or are stable ions? Na +1 Ca +2 Z

    asked by billy a.
  86. Algebra

    The width of a rectangle is 1 ft. less than the length. The area is 2ft^2. Find the length and the width.

    asked by KC
  87. Math

    If we are given 8sin((pi/6)(x+2))+16=20the answers are -1 and 3 because 1/2 can be pi/6 or 5pi/6. However, if y = 10 *8sin((pi/6)(x+2))=10*, what would be the steps to get the answer 5.616793 (I only found one of the answers, which is 8.3803207).

    asked by Ashley
  88. Algebra II repost

    Solve: -x^4 + 200 = 102x^2 -x^4-102x^2+200=0 (-x^2)^2-102(x^2)+200=0 (x^2-51)(x^2+51)(x-20)(x-10) I'm stuck at this point

    asked by Jon
  89. Physics

    Can someone explain to me how I'd draw this problem and what the resultant vector should be as well as the placements of the angles if possible? A pilot must fly his plane to a town which is 200km from his starting point in a direction 30degrees N of E. He

    asked by Anonymous
  90. Algebra II

    Write y= -4x^2+8x-1 in vertex form. y= (-4x^2+8x+2+16)-1+2+16 y= (-2x+4)^2+17 (answer)

    asked by Jon
  91. agriculture science

    list some disadvantages of crop-rotation thank you very much.

    asked by kavita
  92. pre algebra

    Twice a number is 60 times more than 5 times the number. what is the number

    asked by morgan
  93. Integrated Science.

    List the destructive natures of a cockroach. Describe the life-cycle of a cockroach.

    asked by kavita
  94. Computer Achitechture

    Scenario: You have been asked to design a new simple CPU for the purpose of controlling home appliances. The CPU will only be used for simple math calculations and will mainly be time sequencing and handling of I/O points for controlling the machines. You

    asked by Alma
  95. advanced math

    Hi, I am trying to solve graphing quadratic equations. One of the problems is written as -x^2= -2x-1. So if I wanted to put this equation in the proper quadratic equation form, would it be -2x-1-x^2, or -x^2+-2x-1? I'm really not sure.

    asked by Sharon
  96. math

    The region R, is bounded by the graphs of x = 5/3 y and the curve C given by x = (1+y^2)^(1/2), and the x-axis. a) Set up and evaluate an integral expression with respect to y that gives the area of R. b) Curve C is part of the curve x^2 - y^2 = 1, Show

    asked by leess
  97. Accounting

    What does the Market Value of a company's stock represent? What does the Book Value of a company stock represent? How is this accounting measurement used? Why is the Market Value of a stock usually greater than the Book Value of a stock?

    asked by Del
  98. Algebra II

    Identify the vertex, axis of symmetry, and direction of opening for y=2(x+3)^2-5 y = |2x+3|^2-5 h = 3 k = -5 vertex = (3,-5) axis of symmetry = x = 3 direction = up b/c a = 2 and 2>0

    asked by Jon
  99. calculus

    determine if the series is absolutely convergent and convergent. the sum from n=0 to infinity of ((-1)^n*e^n)/(n!) I used the ratio test and said that it was absolutely convergent and convergent. is this true?

    asked by sarah
  100. calculus

    for the series is absolutely convergent and convergent the series from 1 to infinity of (x^3)/(5^x) i did the ration test and get absolutely convergent and convergent is this correct?

    asked by sarah
  101. physics

    Why dose a white piece of paper appear white in white light,red in red light,blue in blue light and so on for all colors?

    asked by sam
  102. physics

    why dose the blood of an injured deep-sea divers look greenish-black in underwater photographs taken with natural light, but red when flashbulbs are used?

    asked by ann
  103. why won't anybody help me

    The region R, is bounded by the graphs of x = 5/3 y and the curve C given by x = (1+y^2)^(1/2), and the x-axis. a) Set up and evaluate an integral expression with respect to y that gives the area of R. b) Curve C is part of the curve x^2 - y^2 = 1, Show

    asked by PLEASE HELP!
  104. Physics

    A block oscillates on a spring and passes its equilibrium position with a speed of .157m/s. It's kinetic energy is zero when the block is at the distance of .1m from equilibrium. Assume no friction between the block and the table. v=.157m/s KE =0J when

    asked by Andrea
  105. Maths

    What is an alternative Axis in a polygram?

    asked by Bradley
  106. agriculture science

    what is livestoch farm? list 10 ways that animals are used for domestic purposes or otherwise. thank-you

    asked by kavita
  107. American History

    At the time of the ratification of the Constitution, there was a debate over the need for a standing army. Where can I find information about this debate? What were the two sides? Who was on each side?

    asked by Joey
  108. math

    The region R, is bounded by the graphs of x = 5/3 y and the curve C given by x = (1+y^2)^(1/2), and the x-axis. a) Set up and evaluate an integral expression with respect to y that gives the area of R. b) Curve C is part of the curve x^2 - y^2 = 1, Show

    asked by PLEASE HELP!
  109. Algebra II

    Find: p(-3) if p(x)= x^5 + 3x^2. -3^5 + 3(-3)^2 -243 + 27 -216 (answer)

    asked by Jon
  110. health information

    the paper based health record format that organizes all forms in chronological order is know as

    asked by nereida
  111. Ap Chem

    1) What kind of chemistry makes it possible for DNA of materials being tested to lodge at only one kind of probe molecule? ( this question makes no sence to me please help)

    asked by Starr
  112. calculus

    for each series determine if the series is absolutely convergent and convergent the sum from 0 to infinity of (-1)^n/(the square root of (n+1)) I did the ratio test and got -1, which is less than 0 making it absolutely convergent, but do i need to take the

    asked by sarah
  113. calculus

    for the series is absolutely convergent and convergent the series from 1 to infinity of (x^3)/(5^x) i did the ration test and get absolutely convergent and convergent is this correct?

    asked by sarah
  114. Chemistry

    A catalyst does not change the ______ of the reaction. a. mechanism b. enthalpy c. energy of activation d. rate

    asked by Sef
  115. Algebra II

    Identify the vertex, axis of symmetry, and direction of opening for y=2(x+3)^2-5. vertex = 1/2 axis = 1/2 direction = up

    asked by Jon
  116. Ag Science

    I have a HUGE project due for ag. It's on California and Hawaii. There are questions like "how many of miles of hiking trail is in the state?" and "how many big game species are in the state?" I am desperately searching all over google for answers to these

    asked by Taylor
  117. Physics

    A boat travelling at 30km/h relative to water is headed away from the bank of a river and downstream. The river is 1/2 km wide and flows at 6km/h. The boat arrives at the opposite bank in 1.25min. Calculate the component of the boat's velocity directed

    asked by Anonymous
  118. math

    How many mls of aminophylline injection containing 250mg/10ml should be used in filling a medication order that calls for 15mg of aminophylline?

    asked by melissa
  119. biology

    What two classification groups are used in the scientific name?

    asked by TeeWee
  120. English Expression

    1. Type more than 4 numbers to have your pass word. 2. Type more than 4 digits to have your pass word. 3. Type more than 4 digit numbers to have your pass word. ------------------------------ Which expression is right? This expression will be used for a

    asked by John
  121. math

    Posted by mota on Saturday, March 1, 2008 at 3:34am. THE MASS OF THE SUN IS ABOUT 10^27 METRIC TONS , OR 10^30 KILOGRAMS . HOW MANY KILOGRAMS ARE IN ONE METRIC TON ? ----------------------------- math - drwls 1000. ----------------------------- explain

    asked by mota
  122. Physics

    The applied force of a 2.0-kg object is 8.4 N [E] and the friction is 2.2 N [W]. What is the motion of the object? Can I use the formula Fnet = ma?

    asked by Marty
  123. Physics - Quidditch

    For the second part: The draw the plane vector which is the same as the desired results. At the end of the plane vector, draw the wind vector. That is where the plane will end up. So, for a 1/2 hour flight: (80 km/h) * (hour/2) at 30 degrees E of S. or

    asked by Anonymous
  124. English

    I need to write about how the element of character functions in the story as a whole..

    asked by Becca
  125. Ap Chem

    1) What kind of chemistry makes it possible for DNA of materials being tested to lodge at only one kind of probe molecule? ( this question makes no sence to me please help)

    asked by Starr
  126. physical education

    How does exercise schematic diagram of the interchange gases in the body

    asked by Arzsa
  127. algebra

    x+1/x=-7/x-12

    asked by steven
  128. calculus

    determine if the series is absolutely convergent and convergent. the sum from n=0 to infinity of ((-1)^n*e^n)/(n!) I used the ratio test and said that it was absolutely convergent and convergent. is this true?

    asked by sarah
  129. unsrcamble

    aoarmimedcr

    asked by Kris
  130. physics

    Dose light travel faster through the lower atmosphere or through the upper atmosphere?

    asked by ann
  131. cook

    A picture of a yummy food presentation of any sort? can u please help me find some?

    asked by james
  132. Math-measurement

    What is the official name of our system of measurement in America? All I ever hear about is the metric system, but I don't know what ours is called. Thanks

    asked by Ellie
  133. chem

    Which pair begins wtih the larger particle? a)K+, K b)N,N -3 c)Mg+2,Ca+2 d)F-,F e)O-2,S-2

    asked by tony
  134. Ethics

    What is the familial convention for Puerto Ricans?

    asked by <3
  135. math

    A physician orders 2gms of an antibiotic to be placed in 1000ml of D5W. Using a constituted injection that contains 300mg/2ml, how many mls should be added to the IV solution?

    asked by melissa
  136. chem

    show charges on each atom in following bonds: Cl-Cl Sr-O H-O Br-I

    asked by bill
  137. Jack

    what does it mean when you are reading a given passage and then it asks you "who are the agents of resistance"?

    asked by English
  138. environmental science

    Why does the FEMA (Federal Emergency Management Area) only allow property owners to collect insurance if they rebuild in the same place and same way as before? Thanks!

    asked by Andrea
  139. english

    can you maybe give me a site or something that gives an example of a character sketch.. because i'm not too sure how to write one.

    asked by Cynthia
  140. social studies

    what are the minnesota's state legislative jobs?

    asked by adrianela
  141. algebra

    Is it possible to have different quadratic equations with the same solution? Explain.

    asked by becky
  142. science

    what scientist are in involved with this topic? Penicillin

    asked by mike
  143. calculus

    the sum from n=1 to infinity of sin(n^2)/n^2 I found this converges to pi^2/6, but is it absolutley convergent also?

    asked by sarah
  144. science

    penicillin How do scientist contribute?

    asked by tysin
  145. Science

    How much betta flake food do you feed a pet betta? How often?

    asked by Sam
  146. math

    Find an equation of the line that has a positive slope and is tangent to the circle (x-1)^2 +(y-1)^2=4 at one of its y-intercepts . Write your answer in the form of y=mx+b.

    asked by jen
  147. advanced math

    Therefore, the vertex of the problem I previously asked would be 1,0. Is that right?

    asked by Sharon
  148. science

    how d scientst contribute?

    asked by sandy
  149. science

    how do scientist contribute?

    asked by mike
  150. ecology

    Anyone ahvea ny good sites that have discriptions AND pictures of food webs? Plz and thanks ^_^

    asked by Various Ecosystem Food Webs
  151. science

    can u plz answer this question for my topic is about penicllin What type of scientist are involved?

    asked by tysin