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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- An astronaut has a mass of 68 kg. What is the weight of the astronaut on Earth at sea level? What are the mass and the weight of the astronaut on the Moon, and on Mars? What is the ratio of the pressure exerted by the astronauts shoe on Earth to Mars?Calculate the pressure exerted by water on a scuba diver who is swimming at a depth of 50 ft below the water surfaceA 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.
- 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?Water from a fire hose is directed horizontally against a wall at a rate of 500 g/s and a speed of 4.2 m/s. Calculate the force exerted on the wall, assuming the water’s horizontal momentum is reduced to zero.An open tank is filled with a liquid that has a specific gravity of 1.154 and the liquid exerts a head pressure of 8.5 psi. How many feet of liquid is in the tank?
- Water floes through a circular pipe with a constant radius of 8cm. The speed and pressure at point a is 6 m/s and 300000 Pa respectively.a.) what is the speed of fluid at point b?b.) what is the pressure at point b which is higher than point a for about 5cm?A square tank 4 ft on a side and 10 ft high is filled to the brim with water.Find the time required for it to empty through a hole in the bottom 1 in.squared in area. The velocity of the water leaving the tank is 4.97√h ft/sec.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?
- Step by step A cylinder with a specific weight of 40 lb/ft^3 and floats in water (62.4 lb/ft^3) as shown below. If the cylinder has a diameter of 0.5 ft and a total height of 3 ft, calculate (a) the buoyant force on the cylinder , and (b) the depth that cylinder is submerged in the water.A manometer is used to measure the pressure in a tank filled with air. The fluid has a specific gravity of 0.95, and the manometer column height is 65cm. If the local atmospheric pressure is 96 kPa, determine the absolute pressure within the tank. answer in kPa absCalculate the pressure difference between the centers of tanks A and B. If the entire system is rotated 180° about the axis MM. What changes in pressure between the tanks will be necessary to keep the positions of the fluids unchanged?
