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Mechanics
Q1. Fresh water in a reservoir is 10 m deep. A horizontal pipe 4 cm in diameter passes through the reservoir 6m below the water surface as shown in the fig. A plug secures the pipe opening.a) Find the friction force between the plug and the pipe wall.b) The plug is removed. What volume of water flows out of the pipe in 1hr? Assume area of the reservoir to be too large.Q2. The U-tube acts as a water siphon. The bend in the tube is 1m above the water surface. The tube outlet is 7 m below the water surface. The water issues from the bottom of the siphon as a free jet at atmospheric pressure. Determine t











