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March 27, 2017

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1.A mass is moving in uniform circular motion under the effects of a centripetal force. If the force is doubled and the radius is cut in half, by what factor will the speed change?

  • Physics - ,

    V^2/R is doubled, since the force doubles..
    If R is also halved, V stays the same.
    That allows V^2/R to double.

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