Q: 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 geostationary satellite will be
(a) R2g / ω
(b) R2 ω2/g
(c) Rg / ω2
(d) R2g / ω2
Ans: (d)