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    Angular velocity of a rod released under gravity.

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    A pencil, 15.7 cm long, is released from a vertical position with the eraser end resting on a table. The eraser does not slip. Treat the pencil like a uniform rod. What is the angular speed of the pencil when it makes a 30.0 degree angle with the vertical?
    3.56 rad/s
    7.23 rad/s
    1.83 rad/s
    6.32 rad/s

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    https://brainmass.com/physics/energy/angular-velocity-of-a-rod-released-under-gravity-116776

    Solution Summary

    Finding angular velocity of the rod using energy conservation.

    $2.19

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