Water flows at a rate of 25 lmin through a horizontal, Ask an Expert

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Water flows at a rate of 25 L/min through a horizontal 7.0-centimeter-diameter pipe under a pressure of 6.0 Pa. At one point, calcium deposits reduce the cross-sectional area of the pipe to 30 cm^2. What is the pressure at this point? (Consider the water to be an ideal fluid)

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