Which expression gives the speed of a satellite moving in a circular orbit of radius…

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

Problem

Which expression gives the speed

v

of a satellite moving in a circular orbit of radius

r

around Earth of mass

M

? (a)

v=\sqrt{\dfrac{2 G M}{r}}

(b)

v=\dfrac{G M}{r}

(c)

v=\sqrt{\dfrac{G M}{r}}

(d)

v=\sqrt{G M r}