The pulmonary artery, which connects the heart to the lungs, has an inner radius of 2.8 mm and is 8.9 cm long. If the pressure drop between the heart and lungs is 410 Pa, what is the average speed of blood in the pulmonary artery?

The pulmonary artery, which connects the heart to the lungs, has an inner radius of 2.8 mm and is 8.9 cm long. If the pressure drop between the heart and lungs is 410 Pa, what is the average speed of blood in the pulmonary artery?

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter1: Getting Started

Section: Chapter Questions

Problem 22PQ

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Concept explainers

Variation of pressure

From the equation of pressure, pressure is directly proportional to the applied force.

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The pulmonary artery, which connects the heart to the lungs, has an inner radius of 2.8 mm and is 8.9 cm long. If the pressure drop between the heart and lungs is 410 Pa, what is the average speed of blood in the
pulmonary artery?
Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. m/s

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