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A brine solution with a density of 1230 kg/m3 moves through a constricted pipe in steady,...

A brine solution with a density of 1230 kg/m3 moves through a constricted pipe in steady, ideal flow. At the lower point shown in the figure below, the pressure is P1 = 2.00 ✕ 104 Pa, and the pipe diameter is 7.00 cm. At another point y = 0.40 m higher, the pressure is P2 = 1.25 ✕ 104 Pa and the pipe diameter is 3.50 cm.

(a) Find the speed of flow (in m/s) in the lower section.

(b) Find the speed of flow (in m/s) in the upper section.

(c) Find the volume flow rate (in m3/s) through the pipe.

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