Water flows through a horizontal pipe of cross-sectional area 10. cm at a pressure of 0.25 atm. The flow rate is 1.0 L/s. At a valve, the effective cross-sectional area of the pipe is reduced to 5.0 cm2. What is the pressure at the valve? A) 0.112 atm B) 7.7 x 103 Pa C) 0.157 atm D) 0.200 atm E) 0.235 atm

Water flows through a horizontal pipe of cross-sectional area 10. cm at a pressure of 0.25 atm. The flow rate is 1.0 L/s. At a valve, the effective cross-sectional area of the pipe is reduced to 5.0 cm2. What is the pressure at the valve? A) 0.112 atm B) 7.7 x 103 Pa C) 0.157 atm D) 0.200 atm E) 0.235 atm

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

Water flows through a horizontal pipe of cross-sectional area 10. cm at a pressure of 0.25 atm.
The flow rate is 1.0 L/s. At a valve, the effective cross-sectional area of the pipe is reduced to 5.0
cm2. What is the pressure at the valve?
A) 0.112 atm
B) 7.7 x 103 Pa
C) 0.157 atm
D) 0.200 atm
E) 0.235 atm

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