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![[Post New]](/templates/default/images/icon_minipost_new.gif) 2 Jan 2008 23:51:51 IST
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Apply equation of circular motion
MV2/R = GmM/R2
You get speed in orbit.
1/2MV2 is its Kinetic energy.
-GmM/R is the potential energy of the earth-satellite system.
2 R/V gives you the time period.
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