Homework Help: Physics

Posted by Annie on Sunday, November 18, 2012 at 11:42pm.

A 50-kg satellite circles the Earth in an orbit with a period of 120 min. What minimum energy is required to change the orbit to another circular orbit with a period of 180 min? (Earth: radius = 6.4  106 m, mass = 6.0  1024 kg)

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