Answers Physics Practice ExamQuestion 12

12

practice examMultiple Choice

Practice Exam

Question 12 • Physics

Which statement best explains who is incorrect?

Answer

A

Chen is incorrect because heat engines illustrate only the first law of thermodynamics.

B

Mia is incorrect because heat engines illustrate only the second law of thermodynamics.

C

Chen is incorrect because in heat engines thermal energy flows from cool to warm areas.

D

Mia is incorrect because machines and engines can never be 100 percent efficient.

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