Applied Physics (11th Edition)
11th Edition
ISBN: 9780134159386
Author: Dale Ewen, Neill Schurter, Erik Gundersen
Publisher: PEARSON
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Textbook Question
Chapter 12.2, Problem 16P
A firefighter weighs 725 N. She wears shoes that each cover an area of 206 cm2.
- (a) What is the average stress she applies to the ground on which she is standing?
- (b) How does the stress change if she stands on only one foot?
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Chapter 12 Solutions
Applied Physics (11th Edition)
Ch. 12.2 - A packing crate 2.50m 0.80m 0.45m weighs 1.41 ...Ch. 12.2 - A packing crate 2.50 m 20.0 cm 30.0 cm has a...Ch. 12.2 - A spring is stretched 24.0 in. by a force of 54.0...Ch. 12.2 - A 17.0-N force stretches a wire 0.650 cm. (a) What...Ch. 12.2 - A force of 36.0 N stretches a spring 18.0 cm. Find...Ch. 12.2 - A force of 5.00 N is applied to a spring whose...Ch. 12.2 - Each vertical steel column of an office building...Ch. 12.2 - Each vertical steel column of an office building...Ch. 12.2 - If the compression of each steel column in Problem...Ch. 12.2 - A coiled spring is stretched 40.0 cm by a 5.00-N...
Ch. 12.2 - A 12,000-N load is hanging from a steel cable that...Ch. 12.2 - A rectangular cast-iron column 25.0 m 25.0 cm ...Ch. 12.2 - In a Hookes law experiment, the following weights...Ch. 12.2 - What was the original length of a spring with...Ch. 12.2 - A bar weighing 26.0 N is supported horizontally on...Ch. 12.2 - A firefighter weighs 725 N. She wears shoes that...Ch. 12.2 - Prob. 17PCh. 12.2 - The cross-sectional area of a wire is 2.50 103...Ch. 12.2 - A spring having a force constant of 1.25 N/cm is...Ch. 12.5 - Express mass density in kg/m3 and weight density...Ch. 12.5 - Express mass density in kg/m3 and weight density...Ch. 12.5 - If a block of wood of the size in Problem 2 has a...Ch. 12.5 - Find the volume (in cm3) of 1350 g of mercury.Ch. 12.5 - Find the volume (in cm3) of 1350g of cork.Ch. 12.5 - Find the volume (in m3) of 1350 g of nitrogen at...Ch. 12.5 - A block of gold 9.00 in. 8.00 in. 6.00 in....Ch. 12.5 - A cylindrical piece of copper is 9.00 in. tall and...Ch. 12.5 - A piece of aluminum of mass 6.24 kg displaces...Ch. 12.5 - If 1.00 pint of turpentine weighs 0.907 lb, what...Ch. 12.5 - Find the mass density of gasoline if 106 g...Ch. 12.5 - How much does 1.00 gal of gasoline weigh?Ch. 12.5 - Determine the volume (in m3) of 3045 kg of oil.Ch. 12.5 - How many ft3 will 573 lb of water occupy?Ch. 12.5 - If 20.4 in3 of linseed oil weighs 0.694 lb, what...Ch. 12.5 - Prob. 16PCh. 12.5 - Find the volume of 3.00 kg of propane at 0C and 1...Ch. 12.5 - Granite has a mass density of 2650 kg/m3. 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Does...Ch. 12.5 - A proton has mass 1.67 1027 kg and diameter 8.2 ...Ch. 12.5 - Find the mass density of a 315-g object that...Ch. 12.5 - What is the mass density of a 500 g block that...Ch. 12 - Prob. 1RQCh. 12 - Prob. 2RQCh. 12 - The common industrial method used to measure the...Ch. 12 - Prob. 4RQCh. 12 - Prob. 5RQCh. 12 - Capillary action refers to a. the mixing of...Ch. 12 - The relationship of the change in length of a...Ch. 12 - The ability of the surface of water to support a...Ch. 12 - In your own words, describe the difference between...Ch. 12 - Would the mass density of an object be the same if...Ch. 12 - In your own words, describe capillary action.Ch. 12 - Prob. 12RQCh. 12 - Give one example of the effect of surface tension...Ch. 12 - The mass of a proton is approximately _____ times...Ch. 12 - The applied force divided by the area over which...Ch. 12 - In your own words, state Hooke's law.Ch. 12 - The commonly used unit of stress in the metric...Ch. 12 - Describe how to find the specific gravity of an...Ch. 12 - What is the ratio of mass to volume called?Ch. 12 - What is friction in liquids called?Ch. 12 - A spring that has been permanently deformed is...Ch. 12 - List the three states of matter.Ch. 12 - Distinguish between a molecule and an atom.Ch. 12 - Distinguish between a neutron and a proton.Ch. 12 - List the five basic stresses.Ch. 12 - Explain how a hydrometer measures the charge in a...Ch. 12 - A force of 32.5 N stretches a wire 0.470 cm. What...Ch. 12 - A force of 7.33 N is applied to a spring whose...Ch. 12 - Each vertical steel column of an office building...Ch. 12 - A rectangular cast-iron column 16.0 cm 16.0 cm ...Ch. 12 - Find the weight density of a block of metal 7.00...Ch. 12 - A cylindrical piece of aluminum is 4.25 cm tall...Ch. 12 - A piece of metal has a mass of 8.36 kg. If it...Ch. 12 - A block of wood is 27.7 in. 36.3 in. 12.4 in....Ch. 12 - Find the volume (in cm3) of 759 g of mercury.Ch. 12 - Find the volume (in m3) of 1970 g of hydrogen at...Ch. 12 - Find the mass of 1510 m3 of oxygen at 0C and 1...Ch. 12 - Find the weight of 951 ft3 of water.Ch. 12 - Find the weight density of a block of material...Ch. 12 - Find the weight density of 2.00 quarts of liquid...Ch. 12 - A quantity of liquid weighs 4.65 lb with a weight...Ch. 12 - The density of a metal is 694 kg/m3. Find its...Ch. 12 - A solid displaces 4.30 gal of water and has a...Ch. 12 - Find the mass of a rectangular gold bar 4.00 cm ...Ch. 12 - Find the mass density of a chunk of rock using...Ch. 12 - The specific gravity of an unknown substance is...Ch. 12 - Instead of carrying a full-size spare tire, many...Ch. 12 - Observe the warped lines on asphalt pavement in...Ch. 12 - Raul weighs 235 lb and is able to float in...Ch. 12 - A tanker truck with a cylindrical container 11.3 m...Ch. 12 - Every morning Shakira weighs herself on a bathroom...
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