A ball of mass 50g is dropped from a height h=10m. It rebounds losing 75 percent of its total mechanical energy. If it remains in contact with the ground for △t=0.01sec, find the impulse of the impact force. A ball of mass 50g is dropped from a height h=10m. It rebounds losing 75 percent of its total mechanical energy. If it remains in contact with the ground for △t=0.01sec find the impulse of the impact force. 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