The mean radius of the earth is R, its angular speed on its own axis is w 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

The mean radius of the earth is R, its angular speed on its own axis i

1.	The mean radius of the earth is R, its angular speed on its own axis is w 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
A.	R2w2 / g
B.	r2g / w
C.	R2g / w2
D.	RG w2
Answer» D. RG w2