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July 30, 2014

Homework Help: physics - runner

Posted by lau on Friday, June 4, 2010 at 12:12pm.

While running, a person dissipates about 0.60 J of mechanical energy per step per kilogram of body mass. If a 60 kg person develops a power of 78 W during a race, how fast is the person running? (Assume a running step is 1.5 m long.)

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