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About one-third of the body of a person floating in the Dead Sea will be above the waterline. Assuming that the human body density is 0.98 g/cm3
An ice cube floats in a glass of water filled to the brim. What can you say about the density of ice? As the ice melts, will the water overflow
An electrical short cut off all power to a submersible diving vehicle when it is 30 m below the surface of the ocean the crew must push out a hatch of area 0.75
An airplane has a mass of 1.60 X 104 kg, and each wing has an area of 40.0 m2. During level flight, the pressure on the lower wing surface is 7.00 X 104 Pa.
An object of average density P floats at the surface of a fluid of density Pf/Wd.
An object hangs from a spring balance. The balance registers 30 N in air, 20 N when this object is immersed in water, and 24 N when the object is immersed
An object floats on water with 80% of its volume below the surface. The same object when placed in another liquid floats on that liquid with 72% of its volume
An incompressible fluid with density p is in a horizontal test rube of inner cross-sectional area
An undersea research chamber is spherical with an external diameter of 5.20m. The mass of the chamber, when occupied, is 74,400kg
An open, rigid-walled, cylindrical tank contains 4 ft3 of water at 40°F. Over a 24-hour period of the time the water temperature varies from 40°F to 90°F.
An office window has dimensions 3.4 m by 2.1 m. As a result of the passage of a storm, the outside air pressure drops to 0.96 atm, but inside the pressure
A tire having a volume of 2.5 ft3 contains air at a gage pressure of 30 psi and a temperature of 70°F. Determine the density of the weight of the air
A U-shaped tube open to the air at both ends contains some mercury. A quantity of water is carefully poured into the left arm of the U-shaped tube
A U-tube of uniform cross-sectional area, open to the atmosphere, is partially filled with mercury. Water is then poured into both arms.
A U-tube open at both ends is partially filled with water (Fig a). Oil having a density of 750 kg/m3 is then poured into the right arm and forms a column
A swimming pool is 5.0 m long, 4.0 m wide and 3.0 m deep. Compute the force exerted by the water against
A tall Styrofoam cup is filled with water. Two holes are punched in the cup near the bottom, and water begins rushing our.
A thin spherical shell of mass 4.00 kg and diameter 0.200 m is filled with helium (density = 0.180 kg/m3). It is then released from rest on the bottom of a pool
A spherical shell of copper with an outer diameter of 12 cm floats on water with half its volume above the water surface
A swimming pool has dimensions 30.0 m X 10.0 m and a flat bottom. When the pool is filled to a depth of 2.00 m with fresh water
A U-tube is filled with water until the liquid level is 28 cm above the bottom of the tube. An oil of specific gravity 0.78 is now poured into one arm
A U-tube contains liquid of unknown specific gravity. An oil of density 800 kg/m3 is poured into one arm of the tube until the oil column is 12 cm high
A uniform disk of mass 10.0 kg and radius 0.250 m spins at 300 rev/min on a low-friction axle. It must be brought to a stop in 1.00 min by a brake pad
A water pipe having a 2.5 cm inside diameter carries water into the basement of a house at a speed of 0.90 m/s and a pressure of 170kPa.
A siphon is used to drain water from a tank, as illustrated in Figure. The siphon has a uniform diameter. Assume steady flow without friction.