Physics, 11.03.2021 18:10 reeseleprell7655

80.J of heat is injected into a heat engine, causing it to do work. The engine then exhausts 20.J of heat into a cool reservoir (i. e. wasted heat). What is the efficiency of the engine?

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80.J of heat is injected into a heat engine, causing it to do work. The engine then exhausts 20.J of...