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A heat engine uses thermal energy flowing from a heat source that is 225 K to a cold sink that is 50 K. What is the approximate efficiency of the heat engine? 22% 45% 78% 123%.<…

A heat engine uses thermal energy flowing from a heat source that is 225 K to a cold sink that is 50 K. What is the approximate efficiency of the heat engine? 22% 45% 78% 123%.<…
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A heat engine uses thermal energy flowing from a heat source that is 225 K to a cold sink that is 50 K. What is the approximate efficiency of the heat engine? 22% 45% 78% 123%.

User AhmedBM
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1 Answer

10 votes

Answer:

c. 78%

Step-by-step explanation:

bc it is

User Beatleman
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