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(Solved): a) (20 p) The revolution period of time T of the Moon around Earth is about 30 days. The distance o ...
a) (20 p) The revolution period of time T of the Moon around Earth is about 30 days. The distance of Earth to the Moon is r=300x103 km. The gravitational constant G is 6.67x10-11 in MKS Unit System. Calculate the mass M of Earth.