A ball strikes a horizontal floor at an angle θ=45o. The coefficient of restitution between the ball and the floor is e=21. The fraction of its kinetic energy lost in collision is A ball strikes a horizontal floor at an angle θ=45o. The coefficient of restitution between the ball and the floor is e=21. The fraction of its kinetic energy lost in collision is November 26, 2020 Category: Arihant Physics by D.C Pandey , Chapter 8 - COM, Momentum and Collision , Volume 1 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related