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

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20.23: a) Combining Eq. (20.14) and Eq. (20.15), ( 29 ( 29 ( 29 . 1 1 1 1 / 1 / H C H C e e e e T T T T K - = - - - = - = b) As ), 0 ( heat no exhausts engine ) 1 ( perfect a ; 0 , 1 C = = Q e K e and this is useless as a refrigerator. As ) 0 ( useless
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Unformatted text preview: a ; , = ∞ → → e K e engine does no work ), ( = W and a refrigerator that requires no energy input is very good indeed....
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