Questions Asked on
December 13, 2008

  1. physics

    In downhill speed skiing a skier is retarded by both the air drag force on the body and the kinetic frictional force on the skis. Suppose the slope angle is è = 37.5°, the snow is dry snow with a coefficient of kinetic friction ìk = 0.0400, the mass of

    asked by johnny
  2. PHYSICS 102E

    a brass ring of diameter 10.00cm at 20.0 degrees Celsius is heated and slipped over an aluminum rod of diameter 10.01cm at 20.0 degrees Celsius. Assuming the average coefficients of linear expansion are constant, (a) to what temperature must this

    asked by Akitsuke
  3. PHYSICS 102E

    1. A glass flask whose volume is exactly 1000cm^3 at 0 degrees Celsius is completely filled with mercury at this temperature. When the flask and mercury are heated to 100 degrees Celsius, 15.2cm^3 of mercury overflow. If the coefficient of volume expansion

    asked by Akitsuke
  4. math

    a^2 + 4a + 4 = (a+2)^2, so it is a square I don't understand why is this square, please help

    asked by Karria
  5. indices

    Find a common factor of (527 to the power 379 + 473 to the power 379) and (527 to the power 166 - 473 to the power 166)

    asked by rakesh
  6. physicscalculus

    An automobile with a mass of 1310 kg has 3.10 m between the front and rear axles. Its center of gravity is located 1.78 m behind the front axle. The automobile is on level ground. (a) Determine the magnitude of the force from the ground on each front wheel

    asked by Jane
  7. history

    did george washington make any mistakes during his presidency?

    asked by jackie
  8. HSE

    Two companies working together can clear a parcel of land in 8 hrs. Working alone, it would take company A 2 hrs longer than company B. How long it would take company B to clear the parcel of land alone?

    asked by Gill
  9. physics

    A meter stick balances horizontally on a knife-edge at the 50.0 cm mark. With two 5.00 g coins stacked over the 12.0 cm mark, the stick is found to balance at the 43.0 cm mark. What is the mass of the meter stick?

    asked by johnny
  10. PHYSICS

    A student wants to determine the coefficients of static friction and kinetic friction between a box and a plank. She places the box on the plank and gradually raises one end of the plank. When the angle of inclination with the horizontal reaches 30°, the

    asked by john
  11. PHYSICS

    IS SODIUM IODIDE POLAR OR NON POLAR

    asked by brooklinn
  12. writing

    Describe the different strategies and techniques used in writing a good-news letter and a bad-news letter. · Provide an example of bad news you might have to deliver in a letter. · Explain which bad-news technique you would choose for this type of

    asked by brandy
  13. physics

    A projectile is fired horizontally from a gun that is 97.0 m above flat ground, emerging from the gun with a speed of 250 m/s. (a) How long does the projectile remain in the air? s (b) At what horizontal distance from the firing point does it strike the

    asked by johnny
  14. us history

    which of the following best describes the situation of freedmen in the decade following the civil war? a. each was given 40 acres of land and a mule by the union government b. all were immediately granted political equality by the Emancipation Proclamation

    asked by rory
  15. Science

    a 51.0 kg uniform square sign, of edge L = 2.00 m, is hung from a horizontal rod of length dh = 3.00 m and negligible mass. A cable is attached to the end of the rod and to a point on the wall at distance dv = 4.00 m above the point where the rod is hinged

    asked by Phillipe
  16. trigo

    how do i verify these? 1-sin^2B 1. ----------- = csc^2B-sec^2B sin^2Bcos^B 2. cos(2a+a) = 4cos^3a-3cosa

    asked by anjelica318
  17. Jishka

    What is the meaning of Jishka in the Bolivian language? --I think it's Bolivian. Thanks -MC

    asked by mysterychicken
  18. physics

    In the figure below, a uniform sphere of mass m = 2.50 kg and radius r = 2.4 cm is held in place by a massless rope attached to a frictionless wall a distance L = 10.2 cm above the center of the sphere. (a) What is the tension in the rope? N (b) What is

    asked by Jane
  19. 8th grade math

    Sue whants to by a new printer that costs $189.She has $125 saved.She has a job that pays $8.00 an hour.How many hours must she work to earn enough to buy the printer?

    asked by Alyssa
  20. English

    I'm writing an argument paper on brands, and I was wondering whether anyone knows a website where I could find data/analysis on Abercrombie and Fitch (for example, how much they spend on making products in comparison to how much they sell....and maybee

    asked by Julie
  21. plants

    Is a pink Grapefruit a monocot or dicot?

    asked by gabby
  22. Science

    In the figure below, a uniform beam of weight 420 N and length 3.2 m is suspended horizontally. On the left it is hinged to a wall; on the right is it supported by a cable bolted to the wall at distance D above the beam. The least tension that will snap

    asked by Phillipe
  23. US History

    Compare and Contrast the effectiveness of Washington's and Adams' presidencies in obeying and promoting the Constitution during their administrations. Can someone help me out please?

    asked by mw
  24. Research

    I am doing a research paper in global history with the theme "environmental and society" I am talking about the ancient civilizations of China, India, and Greece. So far the sources i have are: "Cultural Atlas of China" by Caroline Blunden "The Land and

    asked by Anonymous
  25. Physics

    What gauge pressure (in atm) in the water mains is necessary if a firehose is to spray water to a height of 6.0 m?

    asked by Hopelessly Confused!
  26. phy

    A scaffold of mass 50 kg and length 7.0 m is supported in a horizontal position by a vertical cable at each end. A window washer of mass 80 kg stands at a point 1.5 m from one end. (a) What is the tension in the cable closer to the painter? N (b) What is

    asked by mark
  27. PHYSICS

    A house is built on the top of a hill with a nearby slope at angle 45° slope (Figure 6-55). An engineering study indicates that the slope angle should be reduced because the top layers of soil along the slope might slip past the lower layers. If the

    asked by john
  28. science

    What did Rutherford's gold foil experiment give proof of?

    asked by kayla
  29. Powerpoint

    okay, I need to do a powerpoint for this career "computer animation" I need help writing a simple, short, punchy paragraph or list. Yet able to get the message across to the audience. Origninal: Most animators begin as studio runners and then progress to

    asked by Larry
  30. physics

    A house is built on the top of a hill with a nearby slope at angle 45° slope (Figure 6-55). An engineering study indicates that the slope angle should be reduced because the top layers of soil along the slope might slip past the lower layers. If the

    asked by johnny
  31. English

    I am having trouble with a thesis statement for an essay I did for Flower for Algernon. My teacher wants a thesis statement at the end of this intro. In the past few decades, man things have changed for mentally retarded people. In the past, a mentatlly

    asked by casey
  32. Math 115 wk7

    Recall a graph, chart, or table that you used in previous courses to help present data more effectively. How did you create the graph, chart, or table? In what ways did creating the graph, chart, or table help convey your information?

    asked by Deb
  33. algebra

    Find x correct to 4 decimal places so that (3.4)^(2x-1)=5

    asked by Blake
  34. Chemistry

    Acid Catalyzed addition of ICl to 3-methylcyclohexane.

    asked by Schanee
  35. Powerpoint #3

    okay, I need to do a powerpoint for this career "computer animation" I need help writing a simple, short, punchy paragraph or list. Yet able to get the message across to the audience. Heres the question I have to answer: What is a computer animator?

    asked by Larry
  36. math

    Linda invests $15,000 in a retirement account that pays 9%interest compounded monthly. How much will she have in this account after 5 years?

    asked by Blake
  37. Powerpoint #4

    okay, I need to do a powerpoint for this career "computer animation" I need help writing a simple, short, punchy paragraph or list. Yet able to get the message across to the audience. Heres the topic: TRAINING You will of course be spending most of your

    asked by Larry
  38. english

    Assignment: Ethics and Law Presentation • Due Date: Day 7 [post to the Individual forum] • Create a 10- to 15-slide Microsoft® PowerPoint® presentation comparing and contrasting the roles that ethics and laws play within organizations. Include

    asked by fay1985
  39. Algebra Word Problem

    I REALLY NEED YOUR HELP !!!!!!! Suppose it takes 3 days for a space vehicle to travel from Earth to the moon. About how long would it take the same vehichle traveling at the same speed to reach Venus? Closest Distance From Earth to: Moon 240,000mi Venus

    asked by pj
  40. calculus

    when finding the tangent line to the curve using T(t)= r(t)prime/ /r(t)prime/ and the eq. of the curve being r(t)= (e^t, te^t, te^(t^2)), at point (1,0,0) why does t=o. How is the parameter for t found or calculated?

    asked by maria
  41. PHYSICS

    IS HYDROGEN GAS AND CARBON DIOXIDE POLAR OR NON POLAR?

    asked by brooklinn
  42. Powerpoint

    okay, I need to do a powerpoint for this career "computer animation" I need help writing a simple, short, punchy paragraph or list. Yet able to get the message across to the audience. Heres original: The career outlook for computer animators is good and

    asked by Larry
  43. uop

    the different strategies and techniques used in writing a good-news letter and a bad-news letter. · Provide an example of bad news you might have to deliver in a letter. · Explain which bad-news technique you would choose for this type of letter.

    asked by brandy
  44. Maths

    hello my name is lauren and I am in year 6. I don't no how to spell goodly do you have any tips on how to spell better? Thank you very much.

    asked by Lauren
  45. physics

    The people move toward the door at speed vs = 3.7 m/s, are each d = 0.20 m in depth, and are separated by L = 1.75 m. The arrangement in the figure occuurs at time t = 0. (a) At what average rate the layer of people at the door increase? m/s (b) At what

    asked by johnny
  46. math

    what does circumfrence mean?

    asked by Bibi 17
  47. uc probation

    My question was can a student be put on academic probation if his gpa falls below a 2.0 during a SUMMER SESSION?

    asked by justin
  48. economic

    Descibe three ways in which federal reserve can change the money supply. If the federal rserve is going to adjust all of these tools during the economu that is gowing quickly. what changes would they make? if they make changes during econonmic recession,

    asked by anita
  49. biology

    what are the important differences between living and non-living things?

    asked by karen
  50. presidents

    what major things is FDR criticized for during his presidency?

    asked by chris
  51. algebra

    WELL SOMEONE PLEASE HELP ME WITH THIS PROBLEM!!!!!!!!!!!!!!!! What is the GCF for 3^9,3x,-42

    asked by pj
  52. enlish

    help unscramble this words

    asked by lisa
  53. english3

    how does this quote, " Nothing could exceed the intestness with witch this scientific garner examined every shrub which grew in his path; it seemed as if he was looking into their innermost nature,making obervations in regard to their cratice essence, and

    asked by renee
  54. ENGLISH3

    HOW DOES THIS QUOTE " Nothing could exceed the intentness eith witch this scientific gardener examined every shrub which grew in his path; it seemed as if he was looking into their innermost nature, making obervations in regard to their creative essence,

    asked by renee
  55. Math question

    I have this graph with the numbers Year population (thousands) 1950 132 1960 187 1970 254 1980 346 1990 466 2000 657 I need help in analyzing this data so that I can determine the year in which the population will reach 1,000,000 people. how would i make

    asked by Michael
  56. Question

    Okay, can someone please help with the positives and negatives of being a computer animator? I couldn't find anything. thank you,

    asked by Larry
  57. math116

    i need answers to math 116 week 9 final exam. please help.

    asked by karen
  58. algebra

    why the line x = 4 is a

    asked by Anonymous
  59. Social Studies

    How did England colonize in the North America for political reasons? Answer ASAP Thanks

    asked by Christopher
  60. spelling

    Please could someone tell me to how to spell 'hard-waring', the dictionary doesn't list it. Is it hard wearing, hardwaring. Thanks in advance.

    asked by leanne
  61. yr 8 geography

    reasons for the deforestation of the amazon rainforest? the reasons ive found are farming, pastureland , growing crops. im not sure of anything else. id be grateful of any help? thanks

    asked by Charlotte
  62. english

    need some social interaction activities which i can use in a clasroom teaching EFL.Children will be given a story about a boy and girl going on picnic.While the boy was reading a book and girl was picking flowers bear came and took some food and wanted to

    asked by lily
  63. Damon

    thankyou so much for your help. it really helped me . thanks for taking the time to help.!

    asked by Charlotte
  64. Politics

    This is quite a silly question but Who is our Vice President right now? -MC

    asked by mysterychicken
  65. Criminal Justice 200

    What are the steps to take for pretrail?

    asked by D
  66. Math

    Pete is watching his ant farm one afternoon and observes that two ants walk away from each other at a 90 degree angle. After a few seconds, the first ant has traveled 3 inches and the second ant has traveled 4 inches. How far apart are the two ants at that

    asked by Blake
  67. Business Studies

    How much does it cost to advertise on the UAE? Not online but outdoors... I only found out the online rates on the Internet. Can you help me?

    asked by Edna
  68. coding

    Not sure what codes are used for this question I have narrowed it down to these 2. . Manifestation codes or V codes _________ are usedmto indicate factors influencing health status and contract with health services

    asked by Debbie
  69. math

    express 2/5 as a percent

    asked by trey
  70. CSS Coding

    What is the code to move specific items on a page? Is it XXXXX{position absolute;top:X;height:X; and then it carries on. ??

    asked by CSS
  71. Chemistry

    What Holds the metals together in a solid?

    asked by Tracy
  72. medical coding

    can anyone help ? what is the result of an erroneous coding of a neoplasm or a web site that might help thanks

    asked by uknown
  73. civics

    if a state law contadicts a federal law, what prevails?

    asked by Bibi 17