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When the hydrometer is placed in a liquid whose specific gravity is greater than some minimum value the device floats with part of the glass tube
When the ground becomes saturated with water during floods, pressure develops similar to the pressure of water contained in a vessel of the same volume.
A ball is thrown straight upward so that it reaches a height h. It falls down and bounces repeatedly
A ball is dropped from rest at height h, and it bounces off a surface at height y (with no loss in speed). The surface is inclined so that the ball bounces
At what upstream angle must the swimmer aim, if she is to arrive at a point directly across the stream?
You purchase a rectangular piece of metal that has clemencies 5.0 x 15.0 x 30.0 nun and mass 0.0158 kg. The seller tells you that the metal is gold.
You drill a small hole in the side of a vertical cylindrical water tank that is standing on the ground with its top open to the air
What diameter must a 21.0-m-long air duct have if the ventilation and heating system is to replenish the air in a room 9.0 m X 12.0m X 4.0m every 10min?
Water runs into a fountain, filling all the pipes, at a steady rate of 0.750 rn/S3.
Water is pumped steadily out of a flooded basement at a speed of 5.0 m/s through a uniform hose of radius l.0 cm.
Water is flowing at 3 m/s in a horizontal pipe under a pressure of 200 kPa. The pipe narrows to half its original diameter.
Water flows through the pipe in Figure and exits to the atmosphere at C. The diameter of the pipe is 2.0 cm at A, 1.0 cm at B, and 0.8 cm at C.
When a pilot takes a tight turn at high speed in a modern fighter airplane, the blood pressure at the brain level decreases blood no longer perfuse the brain
What must be the pressure difference between the two ends of a 1.9-km section of pipe. 29cm in diameter, if it is to transport oil (p = 950kg/m3.n = 0.20Pa s)
What is the acceleration of a rising hot-air balloon if the ratio of the air density outside the balloon to that inside is 1.39
What gauge pressure must a pump produce to pump water from the bottom of the Grand Canyon (elevation 730 m) to Indian Gardens (elevation 1370 m)?
What gauge pressure is required in the city water mains for a stream from a fire hose connected to the mains to reach a vertical height of 15.0 m?
The weight of a king's solid crown is w. When the crown is suspended by a light rope and completely immersed in water, the tension in the rope
The water supply for a city is often provided from reservoirs built on high ground. Water flows from the reservoir, through pipes, and into your home
The water flowing through a 1.9 cm (inside diameter) pipe flows out through three 1.3 cm pipes.
Two very large open tanks A and F (Fig) certain the same liquid. A horizontal pipe BCD, having a constriction at C and open to the air at D
Through a pipe 15.0 cm in diameter, water is pumped from the Colorado River up to Grand Canyon Village, located on the rim of the canyon.
Three liquids that will not mix are poured into a cylindrical container. The volumes and densities of the liquids are 0.50 L, 2.6 g/cm3; 0.25 L, 1.0 g/cm3;
Three children, each of weight 356 N make a log raft by lashing together logs of diameter 0.30 m and length 1.80 m. How many logs will be needed to keep
Two drinking glasses having equal weights but different shapes and different cross-sectional areas are filled to the same level with water