Mass of Earth Period

  • Thread starter layla2525
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  • #1
layla2525
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Homework Statement



If you suddenly multiplied the mass of Earth by a factor of 4, how would the period of a satellite change, if the radius of its orbit did not change?

4 times as long

1/4 as long

2 times as long

1/2 as long

Unchanged


Homework Equations





The Attempt at a Solution



I am not sure what equation to use...
 

Answers and Replies

  • #2
Simon Bridge
Science Advisor
Homework Helper
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Use Newtons Law of Gravity.
 

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