Momentum and CollisionHard
Question
Two particles A and B initially at rest, move towards each other the 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 : -
Options
A.3v
B.v
C.1.5 v
D.Zero
Solution
CM remains at rest initially it is at rest.
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