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5.6 A 7.5 cm diameter jet of water is directed at a hole in a vertically supported plate Some of the water spreads as a film over the surface of the plate and the remainder leaves horizontally through the hole. The angle between the jet and the plate is 65° and the velocity within the jet is uniform and 10 m/s. Assume inviscid flow and neglect gravity forces. The density of water is 1000 kg/m a) What is the velocity of the stream leaving the plate through the hole? b) If a force of (-15î 5j) N is required to hold the plate in position, find the cross-sectional area of the hole on the plate. (METU 1999)

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