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


B

Physics & Space Science

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