Two particles A and B initially at rest move towards each other under a mutual force of attraction. At the instant when velocity of A is v and that of B is 2v, the velocity of centre of mass of the system is the velocity of centre of mass of the system is Two particles A and B initially at rest move towards each other under a mutual force of attraction. At the instant when velocity of A is v and that of B is 2v October 22, 2020 Category: Cengage NEET by C.P Singh , Chapter 10 - COM, Momentum and Collision , Part 1 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related