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# Find the work done in pushing a car a distance of 14 m while exerting a constant force of 800 N. Select the correct answ

Find the work done in pushing a car a distance of 14 m while exerting a constant force of 800 N. Select the correct answer. W = 10,700 J W = 11,200 J W = 11,500 J W = 12,700 J.

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## Find the work done in pushing a car a distance of 14 m while exerting a constant force of 800 N. Select the correct answ

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1. Find the work done in pushing a car a distance of 14 m while exerting a constant force of 800 N.Select the correct answer. • W = 10,700 J • W = 11,200 J • W = 11,500 J • W = 12,700 J

2. A spring has a natural length of 19 cm. If a force of 39 N is required to keep it stretched to a length of 29 cm, how much work is required to stretch it from 19 cm to 40 cm? Select the correct answer. • 9.0995 J • 8.0995 J • 9.5995 J • 10.0995 J • 8.5995 J

3. A cable that weighs 16 lb/ft is used to lift 560 lb of coal up a mine shaft 500 ft deep. True or False: The work required is 2,280,000 ft-lb. • True • False

4. In a steam engine the pressure and volume of steam satisfy the equation {image} , where k is a constant. (This is true for adiabatic expansion, that is, expansion in which there is no heat transfer between the cylinder and its surroundings.) Calculate the work done by the engine during a cycle when the steam starts at a pressure of {image} and a volume of {image} and expands to a volume of {image} . Use the fact that the work done by the gas when the volume expands from volume {image} to volume {image} is {image} • 5,056 ft-lb • 5,005 ft-lb • 5,055 ft-lb • 5,165 ft-lb • 4,056 ft-lb

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