Answer to Question #296822 in Physics for adrian

Question #296822

An automobile engine has an efficiency of 20% and produces 6000 J work. Find

the heat rejected by the engine.

Expert's answer

Given:

"W=6000\\:\\rm J"

"\\eta=0.2"

The heat rejected by the engine

"Q=\\frac{W}{\\eta}=\\frac{6000\\:\\rm J}{0.2}=30\\:000\\:\\rm J"

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