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Physics / College Physics 1 / Chapter 15 / Problem 12

College Physics | 1st Edition | ISBN: 9781938168000 | Authors: Paul Peter Urone, Roger Hinrichs

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Steam to drive an old-fashioned steam locomotive is

Chapter 15, Problem 12

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QUESTION:

Problem 12PE

Steam to drive an old-fashioned steam locomotive is supplied at a constant gauge pressure of 1.75 × 106 N/m2 (about 250 psi) to a piston with a 0.200-m radius. (a) By calculating PΔV , find the work done by the steam when the piston moves 0.800 m. Note that this is the net work output, since gauge pressure is used. (b) Now find the amount of work by calculating the force exerted times the distance traveled. Is the answer the same as in part (a)?

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QUESTION:

Problem 12PE

Steam to drive an old-fashioned steam locomotive is supplied at a constant gauge pressure of 1.75 × 106 N/m2 (about 250 psi) to a piston with a 0.200-m radius. (a) By calculating PΔV , find the work done by the steam when the piston moves 0.800 m. Note that this is the net work output, since gauge pressure is used. (b) Now find the amount of work by calculating the force exerted times the distance traveled. Is the answer the same as in part (a)?

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