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A particle (a mud pallet, say) of mass m...

A particle (a mud pallet, say) of mass `m` strikes a smooth stationary wedge of mass `M` with as velocity `v_(0)` at an angle `theta` with horizontal. If the collision is perfectly inelastic, find the
a. velocity of the wedge just after the collision.
b. Chane in `KE` of the system `(M+m)` in collision.

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