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    Disk Angular Velocity

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    ans. A)Wbd = 4.38 rad/sec curving down;
    Vd = .306 m/sec up.
    B) Wbd = 0; Vd = 1.05 m/sec down.
    C) Wbd = 4.38 rad/sec curving up; Vd = .306 m/sec down.

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    Because, vb = r*w
    r = 0.07 m
    w = 15 rad/s
    => vb = 15*0.07 = 1.05 m/s

    a.) For Q(read as theta) = 0:
    vb = 1.05 (horizontal ->)
    direction of vb/d: Because, DB makes an angle ...

    Solution Summary

    The solution is provided step-by-step to determine the disk angular velocity and a diagram is attached.

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