Momentum and CollisionHard

Question

A continuous stream of particle of mass m and velocity v, is emitted from a source at a rate n per second The particles travel along a string line, coiled with a body of mass M and get embedded in the body. If the mass M was originally at rest. its  velocity when received N partial will be

Options

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B.
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D.

Solution

Nmv = (M + Nm) vf ⇒ vf =

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