The pulmonary artery, which connects the heart to the lungs, has an inner radius of 2.80 mm and is 8.30 cm long. If the pressure drop between the heart and lungs is 420 Pa, what is the average speed of blood in the pulmonary artery? The viscosity of blood is 2.70 ✕ 10−3 Pa·s.

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The pulmonary artery, which connects the heart to the lungs, has an inner radius of 2.80 mm and is 8.30 cm long. If the pressure drop between the heart and lungs is 420 Pa, what is the average speed of blood in the pulmonary artery? The viscosity of blood is 2.70 ✕ 10−3 Pa·s.

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