Q. 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
A) $v^{2} = g\frac{M}{r}$
B) $v^{2} = \frac{GMm}{r}$
C) $v = \frac{GM}{r}$
D) $v^{2} = \frac{GM}{r}$
Explanation
The correct answer is Option D: $v^{2} = \frac{GM}{r}$.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.