Exam 10: Rotation

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A disk with a rotational inertia of 2.0 kg .m2 and a radius of 0.40 m rotates on a frictionless fixed axis perpendicular to the disk faces and through its center. A force of 5.0 N is applied tangentially to the rim. The angular acceleration of the disk is:

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The figure shows a cylinder of radius 0.7 m rotating about its axis at 10 rad/s. The speed of the point P is: The figure shows a cylinder of radius 0.7 m rotating about its axis at 10 rad/s. The speed of the point P is:

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