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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
2,665
16
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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