12_P11InstructorSolution - 12.11 Model The disk is a rigid...

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12.11. Model: The disk is a rigid body rotating about an axis through its center. Visualize: Solve: The speed of the point on the rim is given by rim . vR ω = The angular velocity of the disk can be determined from its rotational kinetic energy which is 2 1 2 0.15 J. KI == The moment of inertia I of the disk about its center and perpendicular to the plane of the disk is given by
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