Two particles which are initially at rest, move towards each other under the action of their internal attraction. if their speeds are v and 2v at any instant , then the speed of the centre of mass of the system will be

Two particles which are initially at rest, move towards each other und

1.	Two particles which are initially at rest, move towards each other under the action of their internal attraction. if their speeds are v and 2v at any instant , then the speed of the centre of mass of the system will be
Answer» 2v 1.5v zero v Answer :C