Momentum and CollisionHard

Question

In the given figure an impulse J is given to the block of mass m in the downward direction. As a result of the impulse : -
         

Options

A.Both the blocks start moving with
B.Both the blocks start moving with in opposite direction
C.The centre of mass of the system is moving downwards
D.The center of mass of the system is not moving

Solution

J - J′ = mv
J′ = 2mv
⇒ v =

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