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Posted by on Monday, February 25, 2008 at 2:32pm.

A person is making homemade ice cream. She exerts a force of magnitude 23 N on the free end of the crank handle, and this end moves in a circular path of radius 0.35 m. The force is always applied parallel to the motion of the handle. If the handle is turned once every 1.6 s, what is the average power being expended?

  • Physics - , Monday, February 25, 2008 at 3:08pm

    Force * distance/time = Power

    In this case the distance is 2 pi R

  • Physics - , Wednesday, March 19, 2008 at 11:24am

    .35 * 2 = .7
    23 * .7 = 16.1J
    P = 16.1/1.6 = 10.06W

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