P21_040 - | W | = T L | W | T H T L = (270 K) ( 1 . 20 10 5...

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40. The work done by the motor in t =10 . 0 min is | W | = Pt = (200 W)(10 . 0min)(60s / min) = 1 . 20 × 10 5 J . The heat extracted is then | Q L | = K
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Unformatted text preview: | W | = T L | W | T H T L = (270 K) ( 1 . 20 10 5 J ) 300 K 270 K = 1 . 08 10 6 J ....
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