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March 24, 2017

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a skater holds her arms outstretched as she spins at 140 rpm. What is the speed of her hands if they are 125 cm apart?

  • physics - ,

    speed=wr=140r/m*2PIrad/rev*1min/60sec*1.25/2m

    assuming the hands are equally spaced from the cneter of rotation

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