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Alex787 [66]
3 years ago
5

An engine takes in 200 J of heat, expels 40 J of heat, and does 160 J of work. What is the efficiency of the engine?

Physics
1 answer:
Reil [10]3 years ago
4 0
The answer would be C. 80%
Put 160 over 200 and find the GCF
160/200÷40=4/5=80%

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