A mass m1 moves with a great velocity. It strikes another mass m2 at rest in head on collision. It comes back along its path with low speed after collision. Then A mass m1 moves with a great velocity. It strikes another mass m2 at rest in head on collision. It comes back along its path with low speed after collision. Then September 24, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related