physics

A heat engine has a hot reservoir of 680°C and a cold reservoir of 220°C. What is the efficiency of the engine?

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asked by hana
  1. 680C = 273+680 = 953 K
    220 C = 273 + 220 = 493 K

    e = (953-493)/953 = .483

    IF and ONLY IF it is a Carnot cycle heat engine (maximum efficiency)

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    posted by Damon
  2. Burh if you really askin me that obama is a repta alien sapien man i don't have time for this.

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    posted by Crandis
  3. 545

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