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if a heart pumps blood at a rate of 4 litres per min. And exerts a pressure of 130 mm of Hg (density of hg=13.6gm per cm3) then what will be the power if the heart?????? Pls explain!!! and show the working!!!!!

if a heart pumps blood at a rate of 4 litres per min. And exerts a pressure of 130 mm of Hg (density of hg=13.6gm per cm3) then what will be the power if the heart?????? Pls explain!!! 
 and show the working!!!!!

Grade:9

1 Answers

SAGAR SINGH - IIT DELHI
878 Points
13 years ago

Dear student,

Power=wprkdone by heart/time taken

workdone can be calculated as change in volume*pressure...

take care of units

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Sagar Singh

B.Tech, IIT Delhi

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