question_answer

If r represents the radius of the orbit of a satellite of mass m moving around a planet of mass M, the velocity of the satellite is given by           [CPMT 1974; MP PMT 1987; RPMT 1999]

A)             \[{{v}^{2}}=g\frac{M}{r}\]

B)               \[{{v}^{2}}=\frac{GMm}{r}\]

C)             \[v=\frac{GM}{r}\]

D)               \[{{v}^{2}}=\frac{GM}{r}\]