Period of Orbit

  • Thread starter Oijl
  • Start date
  • #1
Oijl
113
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Homework Statement


What is the period of revolution (in minutes) of a satellite orbiting Earth at 161000 m?

Homework Equations


T^2 = (4*pi*r^3)/(GM)


The Attempt at a Solution


Well, I plugged in the values, and got T = 5250.925844, but that's not right. T, would come out as seconds, right?
 

Answers and Replies

  • #2
Dweirdo
174
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dividing your answer by 60 won't get the right solution? cause your T is in seconds..
in r you wrote (Re+161000) right?
 
  • #3
Oijl
113
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K, I'm good with this now. Garbage in, garbage out; I was using bad numbers (over and over again).
 
  • #4
Dweirdo
174
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Lol, happens all the time, My friend saved the mass and radius of the Earth in his calculator storage, and accidentally used mass for radius and radius for mass :D
well good luck any way,glad You made it.
 
  • #5
3.211k
18
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T^2 = (4*pi*r^3)/(GM)

Should pi be squared in this equation?
 
  • #6
Dweirdo
174
0
Should pi be squared in this equation?

Yes.
 

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