While running, a person dissipates about 0.60 J ofmechanical energy per step per kilogram of body mass. If a60. - kg person develops a power of 70. W during a race, how fastis the person running? (Assume a running step is 1.5 m long.)
While running, a person dissipates about 0.60 J ofmechanical energy per step per kilogram of body mass. If a60. - kg person develops a power of 70. W during a race, how fastis the person running? (Assume a running step is 1.5 m long.)
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter7: Conservation Of Energy
Section: Chapter Questions
Problem 59P
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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 70. W during a race, how fast
is the person running? (Assume a running step is 1.5 m long.)
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