Communications satellites are placed in a circular orbit, Ask an Expert

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Communications satellites are placed in a circular orbit where they stay directly over a fixed point on the equator as the earth rotates. These are calledgeosynchronous orbits. The altitude of a geosynchronous orbit is 3.58×107m(?22,000miles).

A) What is the period of a satellite in a geosynchronous orbit?

B) Find the value of g at this altitude.

C) What is the apparent weight of a 2000 kg satellite in a geosynchronous orbit?

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