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Class 11 NEET Physics System of Particles and Rotational Motion

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Question : 7

Total: 109

Two particles A and B initially at rest, move towards each other under mutual force of attraction. At an instance when the speed of A is v and speed of B is 3v, the speed of centre of mass is :

[NEET 2023 mpr]

2v
zero
v
4v

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