Calculate the pressure exerted by water on a scuba diver who is swimming at a depth of 50 ft below the water surface
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Calculate the pressure exerted by water on a scuba diver who is swimming at a depth of 50 ft below the water surface
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- Determine the magnitude of the pressure experienced by a diver who is present at a depth of 55 ft below the surface of water.A rectangular tank 1.5 m wide, 3 m long and 1.8 m deep contains water to a depth of 1.2 m. Find the horizontal acceleration which may be imparted to the tank in the direction of its length so that (a) there is just no spilling of water from the tank, (b) the front bottom corner of the tank is just exposed, (c) the bottom of the tank is exposed upto its mid-point. Calculate the volume of water that would spill out from the tank in the cases (b) and (c). Also calculate the total forces on each end of the tank in each of these cases and show that the difference between the forces equals the unbalanced force necessary to accelerate the liquid mass in the tank.Consider a horizontally-positioned 8 ft long cylindrical tank with a diameter of 3 ft. The water inside the tank is 2 ft deep. What would be the depth of water if the tank is held in the vertical position?
- A plunger (54 mm Ø and 0.5 m long) is moving through a horizontal cylinder (60 mm Ø) containing oil at a speed of 8 m/sec that has a viscosity of 7.1x10-6 m2/sec and specific gravity of 0.84. Calculate the force needed to maintain its velocity. Use 2 decimal places.Question 1 a. You want to draw water from a stream running down a hill behind your house at a rate of 0.003m3/s. To hand you have 30m of commercial steel tubing of inside diameter 30mm. At what vertical level above the house should you dam the stream to draw off the water? b. A simple, vertical U-tube manometer is used to measure the difference between two gas pressures. Write down an equation for the pressure difference in terms of the difference in the level of the fluid in the manometer. Describe briefly, with the help of diagrams, two modifications to the basic design which offer greater sensitivity to small pressure differences. Give equations for their use. C. An extractor fan draws air from a room and delivers it to the surroundings through a 5m long circular duct of diameter 0.1m. The friction coefficient for the duct flow is 0.002. The fan characteristic, relating its total pressure rise, AP (Nm-2) to the volume flow rate is: AP = 10³–7×10ªQ?. What is the rate of flow through…Discuss the effect of flow restrictions on static pressure, dynamic (velocity) pressure, and total pressure.
- An open tank contains a liquid with a specific gravity of 1.735. If the height of the liquid is 9 ft, how much head pressure in inches of water will be exerted?Please provide a detailed explanation for every solution. Problem: A bottle consist of a cylinder 35 cm in diameter and 30 cm high and a neck 5 cm in diameter and 30 cm long. The bottle is inserted into a body of water, with the open end of the neck first until the neck is completely filled with water. Assuming the pressure of the atmosphere is standard, and neglecting vapor pressure, what is the depth to which the open end is submerged below the free surface? Show correct figure.Q7. If the surface tension at air - water interface is 0.069 N / m, what is the pressure difference between inside and outside of an air bubble of diameter 0.009 mm?
- A cylindrical container 1m in diameter and 3m tall is open at the top. it is initially full of water • What is the amount of rotation in rpm that will cause the water to form a vertex at a depth of 1m from the top rim? • What is the amount of rotation in rpm that will cause the water to touch the bottom and how much water is spilled? show the necessary calculations when answering this. If 0.25m of water is exposed at the bottom of the cylinder what is the amount of rotation in rpmPlease provide an explanation for every solution. Problem: A bottle consist of a cylinder 35 cm in diameter and 30 cm high and a neck 5 cm in diameter and 30 cm long. The bottle is inserted into a body of water, with the open end of the neck first until the neck is completely filled with water. Assuming the pressure of the atmosphere is standard, and neglecting vapor pressure, what is the depth to which the open end is submerged below the free surface? Show correct figure.A solid object having a specific gravity of 3.5 is floating on a liquid having a specific gravity of 13.6. The volume of the object is 0.02 cubic meters. What additional vertical force is required to completely submerge the liquid?