Water Flows Through a Horizontal Pipe of Cross-Sectional Area 10

question 95

Multiple Choice

Water flows through a horizontal pipe of cross-sectional area 10.0 cm² at a pressure of 0.250 atm with a flow rate is 1.00 L/s.At a valve,the effective cross-sectional area of the pipe is reduced to 5.00 cm².What is the pressure at the valve? The density of water is 1000 kg/m³,and treat it as an ideal incompressible fluid.

• A)0.110 atm
• B)0.235 atm
• C)0.200 atm
• D)0.157 atm
• E)7700 Pa

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