Two projectiles are launched from the same point with the same speed but at angles…

PHYSICS · Subjective · CBSE · Physics · Motion in a Plane · Motion in a Plane

Problem

Two projectiles are launched from the same point with the same speed

u

but at angles

\theta

and

(90^{\circ}-\theta)

to the horizontal. Neglecting air resistance, prove that the sum of the maximum heights attained by the two projectiles is

\dfrac{u^{2}}{2g}