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April 18, 2014

Homework Help: Physics

Posted by Deanna on Friday, July 9, 2010 at 8:43am.

While running, a person dissipates about 0.6 J of mechanical energy per step per kilogram of body mass. If a 60-kg person runs with a power of 70 Watts during a race, how fast is the person running? Assume a running step is 1.5 m long.

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