DA 2 6 points A small steel block of mass M is attached to a...

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DA 2 6 points A small steel block of mass M is attached to a rod of mass m and length L whose other end is connected to a hinge on the ceiling The block and the rod can rotate in the vertical plane but initially they are at rest A rubber bullet of mass me is fired at the block horizontally and bounces back while the block and the rod start rotating The initial velocity of the bullet is v and the final velocity of the bullet is v The moment of inertia of the rod with respect to the hinge is mL 3 and the moment of inertia of the block is ML a Find the angular velocity co with which the rod and the block start rotating after the collision with the bullet Hint Use the conservation of angular momentum b Find the energy lost ME E Erin this collision

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