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OpenStudy (vampirediaries):
An engine absorbs 2150 J as heat from a hot reservoir and gives off 750 J as heat to a cold reservoir during each cycle. What is the efficiency of the engine?
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OpenStudy (vampirediaries):
@bibby , @mathmate can you help me?
OpenStudy (mathmate):
What is the percentage of "useful" energy obtained out of the original energy absorbed?
OpenStudy (vampirediaries):
2150 J
OpenStudy (surry99):
look up Carnot efficiency
OpenStudy (mrnood):
The difference between heat taken in and heat given off is the useful energy efficiency = useful energy/input energy
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