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A simple model (Fig) considers a continent as a block (density ˜ 2800 kg/m3) floating in the mantle rock around it (density ˜3300 kg.m3).
A rigid tank contains air at a pressure of 90 psia and a temperature of 60°F. By how much will the pressure increase as the temperature is increased to 110°F
A sealed spherical shell of diameter d is rigidly attached to a cart, which is moving horizontally with an acceleration a
A rock with mass m = 3.00 kg is suspended from the roof of an elevator by a light cord. The rock is totally immersed in a bucket of water that sits on the floor
A ship sails from seawater (specific gravity 1.025) into fresh water and therefore sinks slightly
A spherical aluminum ball of mass 1.26 kg contains an empty spherical cavity that is concentric with the ball. The ball just barely floats in water
A solid cubical block of side length 0.6 m is suspended from a spring balance. When the block is in water, the spring balance reads 80% of the reading
A small wooden boat floats in a swimming pool, and the level of the water at the edge of the pool is marked.
A single ice cube with mass 9.70 g floats in a glass completely full of 420 cm3 of water. You can ignore the water's surface tension
A shower head has 20 circular openings, each with radius 1.0 mm. The shower head is connected to a pipe with radius 0.80 cm
A large tank of water is tapped a distance h below the water surface by a small pipe as in Figure. Find the distance x reached by the water flowing out the pipe
A large piece of cork weighs 0.285 N in air. When held submerged underwater by a spring scale as shown in Figure, the spring scale reads 0.855 N
A large aquarium of height 5.00 m is filled with fresh water to a depth of 2.00 m. One wall of the aquarium consists of thick plastic 8.00 m wide.
A lake in the far north of the Yukon is covered with a 1.75-m-thick layer of ice. Find the absolute pressure and the gauge pressure at a depth of 2.50 m
A liquid flowing from a vertical pipe has a definite shape as it flows from the pipe. To get the equation for this shape, assume that the liquid is in free fall
A large tank with diameter D, open to the air contains water to a height H. A small hole with diameter d (d« D) is made at the base of the tank.
A Ping-Pong ball has a diameter of 3.80 cm and average density of 0.084 0 g/cm3. What force is required to hold it completely submerged under water?
A piece of unpainted porous wood barely floats in a container partly filled with water. If the container is sealed and pressurized above atmospheric pressure
A partially evacuated airtight container has a tight fitting lid of surface area 77 m2 and negligible mass. If the force required to remove the lid is 480 N
A liquid of density 900 kg/m3 flows through a horizontal pipe that has a cross-sectional area of 1.90 x 10-2 m2 in region A and a cross-sectional area
A plastic sphere floats in water with 50.0 percent of its volume submerged. This same sphere floats in glycerin with 40.0 percent of its volume submerged.
A plastic ball has radius 12.0 cm and floats in water with 16.0% of its volume submerged.
A Pitot tube can be used to determine the velocity of air flow by measuring the difference between the total pressure and the static pressure