# The pulmonary artery, which connects the heart to the lungs, has an inner radius of 2.6 mm and is 8.4 cm long. If the pressure drop between the heart and lungs is 400 Pa, what is the average speed of blood in the pulmonary artery?

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The pulmonary artery, which connects the heart to the lungs, has an inner radius of 2.6 mm and is 8.4 cm long. If the pressure drop between the heart and lungs is 400 Pa, what is the average speed of blood in the pulmonary artery?

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Step 1

Given:

length = 8.4 cm

pressure = 400 Pa

Given:

length = 8.4 cm

pressure = 400 Pa

coefficient of viscosity of blood = 4 X 10-3 N.s/ sq m

coefficient of viscosity of blood = 4 X 10-3 N.s/ sq m

Step 2

Speed of blood in the pulmonary artery can be calcula...

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