Two particle A and B, of mass m each, ar...

Two particle A and B, of mass m each, are joined by a rigid massless rod of length l. A particle P mass m, moving with a speed u normal to AB, strikes A and sticks to it. The centre of mass of the 'A+B+P' system is C.

The velocity of C before impact is u/3.

The velocity of C after impact is u/3

The velocity of 'A+P' immediately after impact is u/2.

The velocity of B immediately after impact is zero.

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a, b, c, d

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