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34. The volume flow rate in an artery that supplies blood to the brain is 3.5 X 10-6 m³/s. If the cross-sectional area of the artery is 8.5 X 10-5 m², what is the average speed of the blood through this vessel? Find the average blood speed through a narrowed section of the artery where the cross- sectional area is reduced by a factor of 3.

34. The volume flow rate in an artery that supplies blood to the brain is 3.5 X 10-6 m³/s. If the cross-sectional area of the artery is 8.5 X 10-5 m², what is the average speed of the blood through this vessel? Find the average blood speed through a narrowed section of the artery where the cross- sectional area is reduced by a factor of 3.

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
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Question 34 please and thank you
tunger t0 II Diston? 32. A booster pump on a brake system designed to be used horizontally consists of two cylinders capped by pistons connected by a hose. The cylinders and hose are filled with an incompressible fluid. The system produces a mechanical advantage of five times; that is, the output force is five times as great as the input force. If the cross-sectional area of the input piston is 4.0 in.?, how large must the area of the output piston be? 33. The wing of an airplane has an average cross-sectional area of 12 m? and experiences a lift force of 75,000 N. What is the average difference in the air pressure between the top and bottom of the wing? 34. The volume flow rate in an artery that supplies blood to the brain is 3.5 × 10-6 m³/s. If the cross-sectional area of the artery is 8.5 × 10-5 m², what is the average speed of the blood through this vessel? Find the average blood speed through a narrowed section of the artery where the cross- sectional area is reduced by a factor of 3. 35. Air flows through a heating duct with a square cross- section with 8-inch sides at a speed of 5.0 ft/s. Just before reaching an outlet in the floor of a room, the duct widens to assume a square cross-section with sides equal to 12 inches. Compute the speed of the air flowing into the room, assuming that we can treat the air as an incompressible fluid. -9-
Transcribed Image Text:tunger t0 II Diston? 32. A booster pump on a brake system designed to be used horizontally consists of two cylinders capped by pistons connected by a hose. The cylinders and hose are filled with an incompressible fluid. The system produces a mechanical advantage of five times; that is, the output force is five times as great as the input force. If the cross-sectional area of the input piston is 4.0 in.?, how large must the area of the output piston be? 33. The wing of an airplane has an average cross-sectional area of 12 m? and experiences a lift force of 75,000 N. What is the average difference in the air pressure between the top and bottom of the wing? 34. The volume flow rate in an artery that supplies blood to the brain is 3.5 × 10-6 m³/s. If the cross-sectional area of the artery is 8.5 × 10-5 m², what is the average speed of the blood through this vessel? Find the average blood speed through a narrowed section of the artery where the cross- sectional area is reduced by a factor of 3. 35. Air flows through a heating duct with a square cross- section with 8-inch sides at a speed of 5.0 ft/s. Just before reaching an outlet in the floor of a room, the duct widens to assume a square cross-section with sides equal to 12 inches. Compute the speed of the air flowing into the room, assuming that we can treat the air as an incompressible fluid. -9-
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