Find the velocity of an object to become a satellite of Eart

  • #1
61
0

Homework Statement


An object stand in the height 500km from the surface of the Earth. What velocity should it have to become an earth satellite?

Homework Equations


a=v2/r

The Attempt at a Solution


v2=a*r=6,9*107=>x=8306m/S , but the solution is 7600m/S
 

Answers and Replies

  • #2
9
0
What's a? What's r? Watch units and you got your algebra wrong.
 
  • #3
35,258
11,510
And what is x?

I would expect an error at the value of "a" you used.
 

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