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    Instant center of rotation in plane motion

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    ans.

    a) 1.333 in. above A;
    b) 085 ft./sec. right.
    c) 60.2 ft. / sec. @48.4 deg.

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    https://brainmass.com/physics/rotation/instant-center-rotation-plane-motion-14937

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    a.) Let instant center of rotation is at height y from the bottom most point. At center of rotaion velocity will be zero.
    hence,
    5/y = 40/(12-y)
    => 40*y = 60 - ...

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