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

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

Problem

Which of the following gives the speed

v

of a satellite moving in a circular orbit of radius

r

around a planet of mass

M

? (a)

v=\sqrt{\dfrac{GM}{2r}}

(b)

v=\sqrt{g\,r}

(c)

v=\sqrt{\dfrac{GM}{r}}

(d)

v=\sqrt{\dfrac{2GM}{r}}