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

تمرين 86

An inventor claims to have created a heat engine that produces 10.0 kW of power for a 15.0-kW heat input while operating between reservoirs at 27 °C and 427 °C. (a) Is this claim valid (b) To produce 10.0 kW of power, what is the minimum heat input required