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    Rotation of a Rigid Body

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    An electric ceiling fan is rotating about a fixed axis with an initial angular velocity of 0.200 rev/s . The angular acceleration is 0.911 rev/s^2 . Its blades form a circle of diameter 0.720m .

    a) Through how many revolutions has the blade turned in the time interval 0.201s?
    b) What is the tangential speed v_tan (in m/s) of a point on the tip of the blade at time 0.201s?
    c) What is the magnitude of the resultant acceleration (in m/s^2)of a point on the tip of the blade at time 0.201s?

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    https://brainmass.com/physics/rotation/rotation-of-a-rigid-body-27489

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