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tankster tankster
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Posts: 851
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7 years ago
A heat engine operating at maximum efficiency has an efficiency of 25%. The temperature of the cold reservoir is 300 K. What is the temperature of the hot reservoir?
A) 350 K
B) 375 K
C) 400 K
D) 450 K
E) 500 K
Textbook 
Physics

Physics


Edition: 4th
Author:
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Answer verified by a subject expert
longhairlonghair
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Posts: 868
7 years ago
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tankster Author
wrote...

7 years ago
Good timing, thanks!
wrote...

Yesterday
Smart ... Thanks!
wrote...

2 hours ago
Thank you, thank you, thank you!
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