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anonymous
 one year ago
A heat engine has a cold reservoir of 250°C and a hot reservoir of 715°C. What is the efficiency of the engine
anonymous
 one year ago
A heat engine has a cold reservoir of 250°C and a hot reservoir of 715°C. What is the efficiency of the engine

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.065.0% 60.8% 73.6% 58.6% 69.1%

johnweldon1993
 one year ago
Best ResponseYou've already chosen the best response.0Are we to assume a Carnot heat engine?

johnweldon1993
 one year ago
Best ResponseYou've already chosen the best response.0If so it would be \[\large efficiency = 1  \frac{T_c}{T_h}\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0sorry i am done with this question i passed the test tho :D

johnweldon1993
 one year ago
Best ResponseYou've already chosen the best response.0Great job! This question seemed off anyways...you are supposed to use Kelvin which would lead to the answer @Hayleymeyer gave of 47% however here the answer that they wanted was from using Celsius... Oh well, anyways...Good job! :D lol

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0thx for your help everyone :)
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