Q. The horizontal range is four times the maximum height attained by a projectile. The angle of projection is
A) $90{^\circ}$
B) $60{^\circ}$
C) $45{^\circ}$
D) $30{^\circ}$
Explanation
(c) $R = 4H\cot\theta$, if $R = 4H$ then $\cot\theta = 1 \Rightarrow \theta = 45{^\circ}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.