How much work does the human heart do if it uses 180 N of force to pump blood 0.3 meters to the lungs?

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Electrical charge is measured in coulomb.(c). the amount of an electrical charge that moves in a circuit depends on the current flow and how long it flows for. a current of 10 a flows for 30 s,then 10 x=300 coulombs of electrical charge moves

B   their speed changed during the 25 minutes.