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Two particles A and B intiallly at rest,...

Two particles A and B intiallly at rest, 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 2 v, the speed of the centre of mass of the system is

A

`3`

B

`v`

C

`1.5v`

D

zero

Text Solution

Verified by Experts

The correct Answer is:
D
Net external force on system is zero. Therefore centre of mass always remains at rest.
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