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What is the efficiency of a device that takes in 40,000 J of heat and does 12,000 J of work while giving off 28,000 J of heat? Use and convert to a percentage. A.70% B. 57% C. 30% D. 43%
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What is the efficiency of a device that takes in 40,000 J of heat and does 12,000 J of work while giving off 28,000 J of heat? Use and convert to a percentage. A.70% B. 57% C. 30% D. 43%

User SunnyIsaLearner
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1 Answer

4 votes

(12,000 / 40,000) * 100 = 30


Hope this helps!!(:

User Fadils
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