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Physics, 07.02.2021 07:30 neariah24

A student that just received their driver's license decides to buy a new car. He remembers from physics class that heat engines have a thermal efficiency that can
be calculated. He asks the car dealer for a car that has a high thermal efficiency
rating. The car dealer says he has a car that is 100% efficient.
Which law of thermodynamics best describes why the car cannot be 100% efficient?

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