extremely reliable pump. Each day it takes in and
Chapter 6, Problem 6.95(choose chapter or problem)
Power of the Human Heart. The human heart is a powerful and extremely reliable pump. Each day it takes in and discharges about 7500 L of blood. Assume that the work done by the heart is equal to the work required to lift this amount of blood a height equal to that of the average American woman (1.63 m). The density (mass per unit volume) of blood is \(1.05\times10^3\mathrm{\ kg}/\mathrm{m}^3\). (a) How much work does the heart do in a day? (b) What is the heart's power output in watts?
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