A satellite of mass revolves in a stable circular orbit of radius around a planet of mass

PHYSICS · Single correct · CBSE · Physics · Gravitation · Gravitation

Problem

A satellite of mass

m

revolves in a stable circular orbit of radius

r

around a planet of mass

M

. Which of the following gives its total mechanical energy

E

? (a)

-\dfrac{G M m}{4 r}

(b)

+\dfrac{G M m}{2 r}

(c)

-\dfrac{G M m}{2 r}

(d)

-\dfrac{G M m}{r}