Physics
Physics, 23.06.2019 00:20, DwayneLeonard618

What efficiency of a car's engine when heat input is 200,000 joules and waste heat is 150,000 joules? a. 75% b. 35% c. 25% d. 85%

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What efficiency of a car's engine when heat input is 200,000 joules and waste heat is 150,000 joules...

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