An earth’s satellite of mass m revolves in a circular orbit at a height h from the surface g is acceleration due to gravity at the surface of the earth. The velocity of the satellite in the orbit is given by

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Q:34

$\dfrac{gR^{2}}{R+h}$

$\dfrac{gR}{R+h}$

$\sqrt{\left(\dfrac{gR^{2}}{R+h}\right)}$

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The mean radius of the earth is R, its angular speed on its own axis is ω and the acceleration due to gravity at earth’s surface is g. The cube of the radius of the orbit of a geo-stationary satellite will be

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