Q. A fighter plane is moving in a vertical circle of radius $'r'$. Its minimum velocity at the highest point of the circle will be
A) $\sqrt{3\ g\ r}$
B) $\sqrt{2\ g\ r}$
C) $\sqrt{\ g\ r}$
D) $\sqrt{g\ r/2}$
Explanation
The correct answer is Option C: $\sqrt{\ g\ r}$.
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.