Asked by shirly
A heat engine receives 7.0 x 10^3 J of heat and loses 3.0 x 10^3 J in each cycle. What is the efficiency?
1-30%
2-43%
3-57%
4-70%
5-100%
1-30%
2-43%
3-57%
4-70%
5-100%
Answers
Answered by
Henry
Eff. = Eo/Ei = (7000-3000)/7000 = 0.57 =
57%
57%
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