A tank containing water has an orifice of 8.0 cm2 in one vertical side, 3. M below the free surface level in the tank. (a) Find the speed of discharge, assuming that there is no wasted energy. (b) Assuming that the cross section of the stream contracts to 0.64 of the area of the circular orifice.
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A tank containing water has an orifice of 8.0 cm2 in one vertical side, 3. M below the free surface level in the tank. (a) Find the speed of discharge, assuming that there is no wasted energy. (b) Assuming that the cross section of the stream contracts to 0.64 of the area of the circular orifice.
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- (A) What is the pressure drop (in N/m2) due to The Bernoulli Effect as water goes into a 3.50 cm diameter nozzle from a 8.90 cm diameter fire hose while carrying a flow of 35 L/s? (B) To what maximum height (in m) above the nozzle can this water rise? (The actual height would be significantly smaller due to air resistance)A trapezoidal canal with side slopes of 2:1(H:V) has a bottomwidth of 10 ft and carries a flow of 600cfs. (a.) find thecritical depth and velocity. (b.) if the canal is lined with brick(n= 0.015) find the critical slope for the same rate ofdischarge.Water is supplied to an office building 30.0 m high through a pipe at ground level. (a) Find the minimum pressure in the supply pipe so that water can reach the top floor of the building. (b)Suppose the pressure in the supply pipe is designed so that water can flow out through a much smaller pipe on the top floor at a speed of 5.0 m/s. Find the pressure in the larger pipe on the ground floor.
- Verify that a 0.19 % decrease in laminar flow through a tube is caused by a 5.00%decrease in radius, assuming that all other factors remain constant.Water is pumped through a pipe of diameter 15.0cm from the Colorado River up to Grand Canyon Village on the rim of the canyon. The river is at 564m elevation and the village is at 2 096 in(a) At What minimum pressure must the water be pumped to arrive at the village? b) If 4500 m3 are pumped per day what is the speed of the water in the pipe? (c) What additional pressure is necessary to deliver this flow? Note you may assume the free- fall acceleration and the density of air are constant over the given range of elevations.A piston connected to a trigger in a water pistol gun drives water (1000 kg/m3) through a large tube of area A. (radius of 1.00 cm) into a smaller tube of area A, (radius of 1.00 mm). The smaller tube is 3.00 cm above the larger tube. The water stream coming out of the nozzle of the water gun reaches 8.00 m away in just 0.500 s. Calculate the force that must be exerted on the trigger (due to pressure over and above atmospheric pressure). 0.500 s 8.00 m Select one: O 128 N O 40.3 N O 72.1 N O 33,0 N O O O O
- A dam releases water from Its reservoir during a flood season. The water level in the reservoir Is 52.0 m above the exit of water duct at the bottom of the dam. What Is the speed of water at the exlt of water duct?B) a stream of oil in steady flow from pipe so that the diameter of the stream is 0.98cm. The stream fills a 150-cm container in 18.3 s.Find the diameter of the stream 15 cm below the opening of the pipe( take Poil = 0.78kg/m3 , y2=0)Water enters a house from a ground pipe with an inside diameter of 0.02m at an absolute pressure of 4.0 x 105 Pa. A pipe that is 0.01 m in diameterleads to the second-floor bathroom 5.0m above the ground floor. The flowspeed at the ground pipe is 1.5 m/s. Find the following:(a) flow speed on the second floor; and(b) pressure.
- (c) Water is circulating through a closed system of pipes in a two-storey house. On the ground floor, the water has a gauge pressure reading of 3.5 × 105 Pa and has a speed of 2.1 m/s. However, on the upper floor, which is 3.8 m higher, the speed of the water is 3.7 m/s. The pipe widths are different on the two floors. Calculate the pressure of the water on the upper floor of the house? Take the density of water to be 1000 kg/mA sump pump (used to drain water from the basement ofhouses built below the water table) is draining a floodedbasement at the rate of 0.750 L/s, with an output pressure of3.00×105 N/m2 . (a) The water enters a hose with a3.00-cm inside diameter and rises 2.50 m above the pump.What is its pressure at this point? (b) The hose goes over thefoundation wall, losing 0.500 m in height, and widens to 4.00cm in diameter. What is the pressure now? You may neglectfrictional losses in both parts of the problem.