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Gravitational field

  1. May 11, 2008 #1
    [SOLVED] gravitational field

    1. The problem statement, all variables and given/known data
    How much work is done by the Moon's gravitational field as a 1100kg meteor comes in from outer space and impacts on the Moon's surface?

    2. Relevant equations


    3. The attempt at a solution

    W=6.67 X 10^-11(6 X 10^22)(1100kg)/1.5 X 10^6
    =2.9 X 10^9

    Thank you very much
  2. jcsd
  3. May 11, 2008 #2


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    Homework Helper
    Gold Member

    You should be getting the correct answer as long as the numbers you're using are correct. Check that value for the radius of the moon. Shouldn't it be 1.7*10^6 m? If so, your answer may be off a little bit.
  4. May 11, 2008 #3
    Thank you very much

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