College Physics with MasteringPhysics 7th Edition by Jerry Wilson,Anthony Buffa,Bo Lou

Exercise 94

An inventor claims to have developed a heat engine that, each cycle, takes in 5.0 × 10 5 J of heat from a high-temperature reservoir at 400 °C and exhausts 2.0 × 10 5 J to the surroundings at 125 °C. Would you invest your money in the production of this engine Explain.