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April 18, 2014

Homework Help: Physics

Posted by Dylan on Friday, March 2, 2012 at 3:19pm.

A satellite has a mass of 6000 kg and is in a circular orbit 3.30 105 m above the surface of a planet. The period of the orbit is two hours. The radius of the planet is 4.20 106 m. What is the true weight of the satellite when it is at rest on the planet's surface?

I know I'm supposed to use g=Gm1m2/R^2 and r=Gm1/v^2 but I keep getting it wrong.

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