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A) The average power output of the human heart is 1.33 watts. How much energy does the heart produce in a day?

B) Compare the energy found in part (a) with the energy required to walk up a flight of stairs. Estimate the height a person could attain on a set of stairs using nothing more than the daily energy produced by the heart.


    A) E=P•24•3600 = ...
    B) E=mgh
    h=E/mg= P•24•3600/60 •9.8 = ....


    A) 1.1x 10^5 J

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