problem19_17

University Physics with Modern Physics with Mastering Physics (11th Edition)

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19.17: The work done is positive from a to b and negative from b to a ; the net work is the area enclosed and is positive around the clockwise path. For the closed path , 0 = U so A . 0 = W Q positive value for Q means heat is absorbed.
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Unformatted text preview: b) J. 7200 so and (a), part from and J, 7200 = = = W Q Q Q c) For the counterclockwise path, Q = W < . W= J 7200 so J, 7200-=-Q and heat is liberated, with | Q |=7200 J....
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This document was uploaded on 02/06/2008.

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