A bullet of mass m moving with velocity v strikes a suspended wooden block of mass M at rest. If the collision is inelastic block rises to a height h, What will the initial velocity of the bullet ?

Dear Student!!

As the bullet comes to rest with respect to the block, the two behaves as one body.

Let V be the velocity of the combination.

Applying the conservation linear momentum,

As block will rise to a height h.

P.E of combination = K.E. of the combination

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