Q. If the height of a satellite from the earth is negligible in comparison to the radius of the earth $R$, the orbital velocity of the satellite is
A) $gR$
B) $gR/2$
C) $\sqrt{g/R}$
D) $\sqrt{gR}$
Explanation
The correct answer is Option D: $\sqrt{gR}$.
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.