Q. If $v_{e}$ and $v_{o}$ represent escape velocity and orbital velocity of a satellite corresponding to a circular orbit of radius $R$, then
A) $v_{e} = v_{o}$
B) $\sqrt{2}v_{o} = v_{e}$
C) $v_{e} = v_{o}/\sqrt{2}$
D) $v_{e}$ and $v_{o}$ are not related
Explanation
(b) $v_{e} = \sqrt{2gR}$ and $v_{0} = \sqrt{gR}\ \therefore\ \sqrt{2}v_{0} = v_{e}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.