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5.1. Water flows in a 10.0 in diameter pipe at a velocity of 6.0 ft/s. Determine the diameter of the nozzle fitted at the end of the pipe if the jet velocity is 50.0 ft/s
5.3. Water flows in a rectangular open channel of constant width through its entire length at a velocity of 1 m/s. The initial depth of flows was 2 m. After a certain hydraulic structure the depth was measured to be 1.2 m. Calculate the new velocity neglecting the head loss between the two sections.