# 1.A free water jet has a velocity of 10 m/s and an area of 0.01 m2. This jet impinges normally on a.

1.A free water jet has a velocity of 10 m/s and an area of 0.01 m2. This jet impinges normally on a vertical plate that is moving with a velocity of 5 m/s against the direction of the jet. The force on the plate due to this impingement of the jet, by considering the density of water r = 1000 kg/ m3, is (a) 2250 N (b) 1000 N (c) 500 N (d) 250 N 2. A free water jet of 0.01 m2 area and of 20 m/s velocity impinges normally on a stationary vertical plate. If the plate is to move in the direction of the jet at a velocity of 5 m/s, what increase in the discharge at the nozzle would keep the force
1.A free water jet has a velocity of 10 m/s and an area of 0.01 m2. This jet impinges normally on a vertical plate that is moving with a velocity of 5 m/s against the direction of the jet. The force on the plate due to this impingement of the jet, by considering the density of water r = 1000 kg/ m3, is (a) 2250 N (b) 1000 N (c) 500 N (d) 250 N 2. A free water jet of 0.01 m2 area and of 20 m/s velocity impinges normally on a stationary vertical plate. If the plate is to move in the direction of the jet at a velocity of 5 m/s, what increase in the discharge at the nozzle would keep the force on the plate unaltered? (a) 0.005 m3/s (b) 0. 05 m3/s (c) 0.10 m3/s (d) 0.25 m3/s

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