The hammer consists of a 10-kg solid cylinder C and 6-kg uniform slender rod AB. If the hammer is released from rest when θ = 90° and strikes the 30-kg block D when θ = 0º, determine the velocity of block D and the angular velocity of the hammer immediately after the impact. The coefficient of restitution between the hammer and the block is e = 0.6.

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100 mm 150 mm 500 mm B C 50 mm A D