Question
As a gasoline engine is running, an amount of gasoline containing 15,000J of chemical potential energy is burned in 1 s.During that second,the engine does
As a gasoline engine is running, an amount of gasoline containing 15,000J of chemical potential energy is burned in 1 s.During that second,the engine does 3,000J of work.
(a) What is the engine's efficiency?
(b) As a gasoline engine is running,an amount of gasoline containing15,000J of chemical potential energy is burned in1s.During that second,the engine does3,000J of work.
The burning gasoline has a temperature of about 2500K.The waste heat from the engine flows into air at about 300K.What is the Carnot efficiency of a heat engine operating between these two temperatures?
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Fundamentals of Physics
Authors: Jearl Walker, Halliday Resnick
10th Extended edition
978-1118230718, 111823071X, 978-1118230725
