What is the flow velocity at street level

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To pump out a subway, a pump is used that can increase the absolute pressureon the pool of water at the bottom of yhe subway to 400 kpa. 20 m above the water level at street level, the pressure on th water is atmospheric pressure, the water in the subway has a sustantial amount of salt and has a density of 1015 kg/m3. what is the flow velocity at street level( assume v1 is neglected)

Reference no: EM13340818

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