Applied Physics (11th Edition)
11th Edition
ISBN: 9780134159386
Author: Dale Ewen, Neill Schurter, Erik Gundersen
Publisher: PEARSON
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Textbook Question
Chapter 13, Problem 7RQ
In your own words, define pressure.
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Check out a sample textbook solutionChapter 13 Solutions
Applied Physics (11th Edition)
Ch. 13.1 - Find the pressure (in lb/in2) at the bottom of a...Ch. 13.1 - Find the height of a column of water where the...Ch. 13.1 - Find the density of a liquid that exerts a...Ch. 13.1 - (a) Find the total force on the bottom of a...Ch. 13.1 - What must the water pressure be to supply water to...Ch. 13.1 - A small rectangular tank 5.00 in. by 9.00 in. is...Ch. 13.1 - Find the water pressure (in kPa) at the 25.0-m...Ch. 13.1 - Find the height of a column of water where the...Ch. 13.1 - What is the height of a column of water if the...Ch. 13.1 - What is the mass density of a liquid that exerts a...
Ch. 13.1 - What is the mass density of a liquid that exerts a...Ch. 13.1 - (a) Find the total force on the bottom of a...Ch. 13.1 - What must the water pressure be to supply the...Ch. 13.1 - Find the water pressure at ground level to supply...Ch. 13.1 - What pressure must a pump supply to pump water up...Ch. 13.1 - A submarine is submerged to a depth of 3550 m in...Ch. 13.1 - A filled water tower sits on the top of the...Ch. 13.1 - A filled water tower sits on the top of the...Ch. 13.1 - A filled water tower sits on the top of the...Ch. 13.1 - A filed water tower sits on the top of the highest...Ch. 13.1 - A filed water tower sits on the top of the highest...Ch. 13.1 - A cylindrical grain bin 24.0 ft in diameter is...Ch. 13.2 - The area of the small piston in a hydraulic jack...Ch. 13.2 - The mechanical advantage of a hydraulic press is...Ch. 13.2 - Find the mechanical advantage of a hydraulic press...Ch. 13.2 - The mechanical advantage of a hydraulic press is...Ch. 13.2 - Find the mechanical advantage of a hydraulic press...Ch. 13.2 - The small piston of a hydraulic press has an area...Ch. 13.2 - The MA of a hydraulic jack is 250. What force must...Ch. 13.2 - The small piston of a hydraulic press has an area...Ch. 13.2 - The MA of a hydraulic jack is 420. Find the weight...Ch. 13.2 - The mechanical advantage of a hydraulic jack is...Ch. 13.2 - The pistons of a hydraulic press have radii of...Ch. 13.2 - The small circular piston of a hydraulic press has...Ch. 13.2 - The large piston on a hydraulic lift has radius...Ch. 13.2 - In a hydraulic system a 20.0-N force is applied to...Ch. 13.2 - If the diameter of the larger piston in Problem 14...Ch. 13.2 - If a dentists chair weighs 1600 N and is raised by...Ch. 13.2 - A hydraulic jack whose piston has a...Ch. 13.2 - Compressed air in a car lift applies a force to a...Ch. 13.2 - The small piston of an automobile lift has an area...Ch. 13.2 - If the lifting force of a hydraulic truck jack is...Ch. 13.3 - Change 815 kPa to lb/in2.Ch. 13.3 - Change 64.3 lb/in2 to kPa.Ch. 13.3 - Change 42.5 lb/in2 to kPa.Ch. 13.3 - Change 215 kPa to lb/in2.Ch. 13.3 - Find the pressure of (a) 3 atm (in kPa), (b) 2 atm...Ch. 13.3 - A barometer in the Rocky Mountains reads 516 mm of...Ch. 13.3 - Find the absolute pressure in a bicycle tire with...Ch. 13.3 - Find the absolute pressure of a motorcycle tire...Ch. 13.3 - Find the gauge pressure of a tire with an absolute...Ch. 13.3 - Find the gauge pressure of a tire with an absolute...Ch. 13.3 - Find the absolute pressure of a tire gauge that...Ch. 13.3 - Find the absolute pressure of a tank whose gauge...Ch. 13.3 - Find the gauge pressure of a tank whose absolute...Ch. 13.3 - Find the gauge pressure of a tank whose absolute...Ch. 13.3 - Find the absolute pressure of a cycle tire with...Ch. 13.3 - Find the absolute pressure in a hydraulic jack...Ch. 13.4 - A metal alloy weighs 81.0 lb in air and 68.0 lb...Ch. 13.4 - A piece of metal weighs 67.0 N in air and 62.0 N...Ch. 13.4 - A rock weighs 25.7 N in air and 21.8 N in water....Ch. 13.4 - A metal bar weighs 455 N in air and 437 N in...Ch. 13.4 - A rock displaces 1.21 ft3 of water. What is the...Ch. 13.4 - A metal displaces 16.8 m3 of water. Find the...Ch. 13.4 - A metal casting displaces 327 cm3 of water. Find...Ch. 13.4 - A piece of metal displaces 657 cm3 of water. Find...Ch. 13.4 - A metal casting displaces 2.12 ft3 of alcohol....Ch. 13.4 - A metal cylinder displaces 515 cm3 of gasoline....Ch. 13.4 - A 75.0-kg rock lies at the bottom of a pond. Its...Ch. 13.4 - A 125-lb rock lies at the bottom of a pond. Its...Ch. 13.4 - A flat-bottom river barge is 30.0 ft wide, 85.0 ft...Ch. 13.4 - A flat-bottom river barge Is 12.0 m wide, 30.0 m...Ch. 13.4 - What is the volume (in m3) of the water displaced...Ch. 13.4 - A lifeguard swims with her head just above the...Ch. 13.4 - An underwater camera weighing 1250 N in air is...Ch. 13.5 - Water flows through a hose of diameter 3.90 cm at...Ch. 13.5 - Prob. 2PCh. 13.5 - Water flows from a pipe at 650 L/min. (a) What is...Ch. 13.5 - Water flaws through a pipe of diameter 8.00 cm at...Ch. 13.5 - A pump is rated to deliver 50.0 gal/min. Find the...Ch. 13.5 - Prob. 6PCh. 13.5 - What is the diameter of a pipe in which water...Ch. 13.5 - A garden hose is used to fill a bucket in 30.0 s....Ch. 13.5 - A liquid flows through a pipe with a diameter of...Ch. 13.5 - A pipe system with a radius of 0.060 m has a...Ch. 13 - The force applied to a unit area is called a....Ch. 13 - Prob. 2RQCh. 13 - For an incompressible fluid, the flow rate is a....Ch. 13 - Bernoullis principle states that for horizontal...Ch. 13 - Bernoulli's principle explains a. curving...Ch. 13 - What is the metric unit for pressure?Ch. 13 - In your own words, define pressure.Ch. 13 - In your own words, state how to find the force...Ch. 13 - In your own words, state the hydraulic principle.Ch. 13 - Describe why a ship floats.Ch. 13 - Describe how a rotating baseball follows a curved...Ch. 13 - How does an airplane wing provide lift?Ch. 13 - What is the difference between streamline and...Ch. 13 - Give an example of how Archimedes principle...Ch. 13 - Prob. 15RQCh. 13 - Is the pressure on a small piston different from...Ch. 13 - On what does the total force exerted by a liquid...Ch. 13 - Why must the thickness of a dam be greater at the...Ch. 13 - Is the hydraulic piston in the master brake...Ch. 13 - Prob. 20RQCh. 13 - Find the pressure (in kPa) at the bottom of a...Ch. 13 - Find the depth in a lake at which the pressure is...Ch. 13 - Find the height of a water column when the...Ch. 13 - What is the total force exerted on the bottom of a...Ch. 13 - Find the water pressure (in kPa) at a point 35.0 m...Ch. 13 - Find the total force on the bottom of a...Ch. 13 - Find the total force on the side of a cylindrical...Ch. 13 - Find the total force on the side of a rectangular...Ch. 13 - What must the water pressure (in kPa) be on the...Ch. 13 - What water pressure must a pump that is located on...Ch. 13 - A submarine is submerged to a depth of 3150 ft in...Ch. 13 - The area of the large piston in a hydraulic jack...Ch. 13 - The MA of a hydraulic jack is 324. What force must...Ch. 13 - The pistons of a hydraulic press have radii of...Ch. 13 - Find the absolute pressure in a bicycle tire with...Ch. 13 - Find the gauge pressure of a tire with an absolute...Ch. 13 - Find the gauge pressure of a tank whose absolute...Ch. 13 - A rock weighs 55.4 N in air and 52.1 N in water....Ch. 13 - A metal displaces 643 cm3 of water. Find the...Ch. 13 - A rock displaces 314 cm3 of alcohol. Find the...Ch. 13 - A flat-bottom barge is 22.3 ft wide, 87.5 ft long,...Ch. 13 - Water flows through a hose of diameter 3.00 cm at...Ch. 13 - Water flows through a 13.0-cm-diameter fire hose...Ch. 13 - An aquariums main tank holds 200,000 gal or 758 m3...Ch. 13 - The piston in a master cylinder has a radius of...Ch. 13 - A crane that can lift a maximum of 9000 N is...Ch. 13 - Wind tunnels are used to measure the aerodynamic...Ch. 13 - A flexible hose with inside radius 0.250 in. leads...
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- A scuba diver makes a slow descent into the depths of the ocean. His vertical position with respect to a boat on the surface changes several times. He makes the first stop 9.0 m from the boat but has a problem with equalizing the pressure, so he ascends 3.0 m and then continues descending for another 12.0 m to the second stop. From there, he ascends 4 m and then descends for 18.0 m, ascends again for 7 m and descends again for 24.0 m, where he makes a stop, waiting for his buddy. Assuming the positive direction up to the surface, express his net vertical displacement vector in terms of the unit vector. What is his distance to the boat?arrow_forwardWhy does a bicycle pump feel warm as you inflate your tire?arrow_forwardIn ballet, dancing en pointe (on the tips of the toes) is much harder on the toes normal dancing or walking. Explain why, in terms of pressure.arrow_forward
- The left ventricle of a resting adult's heart pumps blood at a flow rate of 83.0 cm3/s , increasing its pressure by 110 mm Hg, its speed from zero to 30.0 cm/s, and its height by 5.00 cm. (All cumbers are averaged over the entire heartbeat) Calculate the total power output of left ventricle. Note that most of the power is used to increase blood pressure.arrow_forwardIf the pressure reading of your pitot tube is 15.0 mm Hg at a speed of 200 km/h, what will it be at 700 km/h at the same altitude?arrow_forwardConsidering the magnitude of typical arterial blood pressures, why are mercury rather than water manometers used for these measurements?arrow_forward
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- (a) How high will water rise in a glass capillary tube with a 0.500-mm radius? (b) How much gravitational potential energy does the water gain? (c) Discuss possible sources of this energy.arrow_forwardThe human brain and spinal cord are immersed in the cerebrospinal fluid. The fluid is normally continuous between the cranial and spinal cavities and exerts a pressure of 100 to 200 mm of H2O above the prevailing atmospheric pressure. In medical work, pressures are often measured in units of mm of H2O because body fluids, including the cerebrospinal fluid, typically have nearly the same density as water. The pressure of the cerebrospinal fluid can be measured by means of a spinal tap. A hollow tube is inserted into the spinal column, and the height lo which the fluid rises is observed, as shown in Figure P9.83. If the fluid ruses to a height of 160. mm, we write its gauge pressure as 160. mm H2O. (a) Express this pressure in pascals, in atmospheres, and in millimeters of mercury. (b) Sometimes it is necessary to determine whether an accident victim has suffered a crushed vertebra that is blocking the flow of cerebrospinal fluid in the spinal column. In other cases, a physician may suspect that a tumor or other growth is blocking the spinal column and inhibiting the flow of cerebrospinal fluid. Such conditions ran be investigated by means of the Queckensted test. In this procedure, the veins in the patients neck are compressed lo make the blood pressure rise in the brain. The increase in pressure in the blood vessels is transmitted to the cerebrospinal fluid. What should be the normal effect on the height of the fluid in the spinal tap? (c) Suppose compressing the veins had no effect on the level of the fluid. What might account for this phenomenon?arrow_forwardThe left ventricle of a resting adult's heart pumps blood at a flow rate of 83.0 cm3/s, increasing its pressure by 110 mm Hg, its speed from zero to 30.0 cm/s, and its height by 5.00 cm. (All numbers are averaged over the entire heartbeat.) Calculate the total power output of the left ventricle. Note that most of the power is used to increase blood pressure.arrow_forward
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