A block A is placed over a long rough pl...

A block A is placed over a long rough plank B of same mass as shown in figure. The plank is placed over a smooth horizontal surface At time t=0, block A is given a velocity `v_(0)` in horizontal direction Let `v_(1)` and `v_(2)` be the velocities of A and B at time L. Then choose the correct graph between `v_(1)` or `v_(2)` and t

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A block A is placed over a long rough plank B same mass as shown below. The plank is placed over a smooth horizontal surface. At time t = 0 , block A is given a velocity v_(0) in horizontal direction. Let v_(1) and v_(2) be the velocity of A & B at time 't'. Then choose the correct graph between v_(1) or v_(2) and t.

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A small block of mass m is plced over a long plank of mass M the coefficient of friction between then is mu .Ground is smooth At t = 0 m is given a velocity v_(1) and M a velocity v_(2) (gtv_(1)) as shown in Fig. After this M is maintained at constant celeration a(ltmu g) Initially there will be some relative motion between the block and the plank ,but after some time relative motion will cease and velocities of both will become Find the time t_(0) when the velocities of both block and plank become same.

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