Assertion: In projectile motion

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

Problem

Assertion: In projectile motion, if a particle is projected with speed

u

, then its speed at height

h

\sqrt{u^2-2gh}

. Reason: If a particle is projected with vertical component of velocity

u_y

, then its vertical component at height

h

\pm\sqrt{u_y^2-2gh}