Question

A 0.50 kg ball that is tied to the end of a 1.9 m light cord is revolved in a horizontal plane…

A 537 kg satellite is in a circular orbit about the Earth at a height above the Earth equal to the Earth's mean radius.

(a) Find the satellite's orbital speed.
1m/s
(b) Find the period of its revolution.
2h
(c) Find the gravitational force acting on it.

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