Gravitational field of the moon

  • #1
[SOLVED] gravitational field

Homework Statement


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?


Homework Equations



W=GMm/r

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
 

Answers and Replies

  • #2
G01
Homework Helper
Gold Member
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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.
 
  • #3
Thank you very much

Regards
 

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