Two particles move in a uniform gravitational field with acceleration

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

Problem

g

. Initially, the particles are at the same point above a tower and move horizontally in opposite directions with velocities

v_1=3\,\text{m}\,\text{s}^{-1}

and

v_2=4\,\text{m}\,\text{s}^{-1}

. Find the distance between the particles when their velocity vectors become mutually perpendicular.