10
practice testMultiple Choice

Practice Test

Question 10 • Physics

Which statement best explains who is incorrect?

Answer
A
Mia is incorrect because heat engines illustrate only the second law of thermodynamics.
B
Mia is incorrect because machines and engines can never be 100 percent efficient.
C
Chen is incorrect because heat engines illustrate only the first law of thermodynamics.
D
Chen is incorrect because in heat engines thermal energy flows from cool to warm areas.
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