What is the pressure at the valve

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Water flows through a horizontal pipe of cross-sectional area 10.0 cm2 at a pressure of 0.250 atm. The flow rate is 1.00 x 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?

Reference no: EM13317901

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