The winning time for the 2005 annual race up 86 floors of theEmpire State Building was
Chapter 11, Problem 43(choose chapter or problem)
The winning time for the 2005 annual race up 86 floors of theEmpire State Building was 10 min and 49 s. The winner's masswas 60 kg.a. If each floor was 3.7 m high, what was the winner's changein gravitational potential energy?b. Tf the efficiency in climbing stairs is 25%, what total energydid the winner expend during the race?c. How many food Calories did the winner "burn" in the race?d. Of those Calrnies, how many were converted to thermal energy?e. What was the winner's metabolic power in watts during therace up the stairs?
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