Q. The maximum horizontal range of a projectile is $400\ m$. The maximum value of the height attained by it will be
A) $100\ m$
B) $200\ m$
C) $400\ m$
D) $800\ m$
Explanation
(a) $R_{\max} = \frac{u^{2}}{g} = 4\ H\ \ \ \ \lbrack$For$\ \theta = 45{^\circ}\rbrack$
$4H = 400 \Rightarrow H = 100\ m$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.