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[" 64.The system shown in the figure is ...

[" 64.The system shown in the figure is released from rest."],[" At the instant when mass "M" has fallen through a "],[" distance "h" ,the velocity of "m" will be "],[[" (a) "sqrt(2gh)],[" (c) "sqrt((2gh(M-m))/(m+M))]],[" (65.A plank of mass in i ")(2gh(M+m))/(m-M)]

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