12_P86InstructorSolution - 12.86 Model Model the turntable...

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12.86. Model: Model the turntable as a rigid disk rotating on frictionless bearings. As the blocks fall from above and stick on the turntable, the turntable slows down due to increased rotational inertia of the (turntable blocks) + system. Any torques between the turntable and the blocks are internal to the system, so angular momentum of the system is conserved. Visualize: The initial moment of inertia is 1 I and the final moment of inertia is
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