Physics, 28.01.2020 08:31 connorwbrown07
Based on the second law of thermodynamics why must a machine always be less than 100% efficient?
a. heat never moves from cold to hot.
b. heat is never converted completely into mechanical energy.
c. heat never flows from hot to cold.
d. entropy never increases.
Answers: 3
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Based on the second law of thermodynamics why must a machine always be less than 100% efficient?
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