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Question

Write the equation for orbital velocity of a satellite orbiting the earth at a height of h from the surface of the earth.

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Solution

So if the satellite of mass m is moving around earth or any other planet of mass M at distance h from surface of earth with radius R with orbital velocity v then
Gravitational force GMm(R+h)2 and centrifugal force mv2(R+h)
GMm(R+h)2=mv2R+h
v=GMR+h

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