Ideal Incompressible Water Flows Through a Horizontal Pipe of Cross-Sectional

question 20

Multiple Choice

Ideal incompressible water flows through a horizontal pipe of cross-sectional area 10.0 cm² at a pressure of 0.250 atm with a volume flow rate of 1.00 × 10^-3 m³/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?

• A)0.112 atm
• B)0.157 atm
• C)0.200 atm
• D)0.235 atm

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