A ball strickes a horizontal floor at an angle `theta = 45^@` with the normal to floor.
Channel: Doubtnut
Date: 2020-02-16

A ball strickes a horizontal floor at an angle `theta = 45^@` with the normal to floor. The coefficient of restitution between the ball and the floor is `e = 1//2`. The function of its kinetic energy lost in the collision is.