18 A spring-loaded gun can fire a projectile to a height h if it is fired straight up

PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

18 A spring-loaded gun can fire a projectile to a height h if it is fired straight up. If the same gun is pointed at an angle of

45^{\circ}

from the vertical, what maximum height can now be reached by the projectile? (A) h / 4 (B)

\frac{h}{2 \sqrt{2}}

\frac{h}{\sqrt{2}}

(E) h