Two particles A and B initially at resst move towards each other under a mutual force of attraction . At the instant when the speed of A is V and the speed of B is 2v, the speed of the centre of mass of the system is

Two particles A and B initially at resst move towards each other under

1.	Two particles A and B initially at resst move towards each other under a mutual force of attraction . At the instant when the speed of A is V and the speed of B is 2v, the speed of the centre of mass of the system is
Answer» `0` `V` `1.5V` `3V` ANSWER :A