March 30, 2017

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a racing dog is initially running at 10.0 m/s, but is slowing down. (a) How fast is the dog moving when its kinetic energy has been reduced by half?

  • physics - ,

    if 1/2 mv^2 is 1/2 of what it was, then veloicy must be sqrt(1/2) of what it was.

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