Find the force on the end of a trough in the form of a semicircle of radius 2 ft., when the trough is filled with a liquid weighing 60 lb/ft^3
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Find the force on the end of a trough in the form of a semicircle of radius 2 ft., when the trough is filled with a liquid weighing 60 lb/ft^3.
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- a boat with a flat bottom and its cargo weigh 5000 N. the area of the boats bottom is 4m^2 how far below the surface of the water is the boats bottom when it is floating in water.A submarine is stranded on the bottom of the ocean with its hatch 25 m below the surface. In this problem, assume the density of sea water is 1.03 × 103 kg/m3. Calculate the force, in newtons, needed to open the hatch from the inside, given it is circular and 0.55 m in diameter. The air pressure inside the submarine is 1.00 atm.Suppose that a solid cube of some material floats motionless on the surface of an oil puddle at a service station with 65.1% of its volume submerged. The density of the oil is 3.903 kg/m3. What is the density ? of the cube's material?
- (a) Calculate the absolute pressure at the bottom of a fresh-water lake at a depth of 32.6 m. Assume the density of the water is 1.00 ✕ 103 kg/m3 and the air above is at a pressure of 101.3 kPa.(b) What force is exerted by the water on the window of an underwater vehicle at this depth if the window is circular and has a diameter of 33.0 cm?Calculate the absolute pressure at the bottom of a fresh-water lake at a depth of 31.6 m. Assume the density of the water is 1.00 ✕ 103 kg/m3 and the air above is at a pressure of 101.3 kPa. (b) What force is exerted by the water on the window of an underwater vehicle at this depth if the window is circular and has a diameter of 32.0 cm?A cube of some unknown substance sits on the surface of water. The cube has a mass of 0.450 kg and a volume of 0.000720 m^3.How much additional mass can be placed on top of the cube without it sinking? [The entire cube will be stationary, but submerged.]
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