Find the power of a human heart

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Sir,
Please help me with this problem.
# The heart of a man pumps 4 litres of blood per minute at a pressure of 130 mm of mercury. If the density of blood is 13.6 gm/cc, what is the power of the heart?
 

Andrew Mason

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Amith2006 said:
Sir or Madam,
Please help me with this problem.
# The heart of a man pumps 4 litres of blood per minute at a pressure of 130 mm of mercury. If the density of blood is 13.6 gm/cc, what is the power of the heart?
What is the definition of work? What is the work done in moving a volume dV against a pressure P? (Hint: Use P = F/A and V = Ad) How much work is done per second? What are the units?

AM
 

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