A 2 kg ball moving at 12ms^−1 undergoes head collision with a 4kg ball moving in the opposite direction at 48m/s. if the coefficient of restitution is 2/3, their velocities in m/s after collision are A 2 kg ball moving at 12ms^−1 undergoes head collision with a 4kg ball moving in the opposite direction at 48m/s. if the coefficient of restitution is 2/3 their velocities in m/s after collision are October 29, 2020 Category: Chapter 8 - COM, Momentum and Collision , MTG NEET Physics , Part 1 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related