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Physics 9 Online
OpenStudy (anonymous):

The moon is a satellite of mass 7.35 x 10^22 kg, with an average distance of 3.82 x 10^6 m from the centre of Earth. a) what is the gravitational potential energy of the Moon- Earth system? b) What is the moon's kinetic energy andspeedin circular orbit? I just want to know what equation i should use and what to do

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