A75-kg sprinter accelerates from rest to a speed of 11.0 m/s in 5.0 a) calculate the mechanical work done by the sprinter during this time. i know w=0.5mv^2 = 4538 j . b)calculate the average power the sprinter must generate. p=w/t= 908w. c) if the sprinter converts food energy to mechanical energy with an efficiency of 25%, at what average rate is he burning calories? .
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A75-kg sprinter accelerates from rest to a speed of 11.0 m/s in 5.0 a) calculate the mechanical wor...
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