Question 2 of 10
Which of the following describes a perpetual-motion machine?
A. A battery th...
Chemistry, 06.11.2020 05:10 bnshelton8013
Question 2 of 10
Which of the following describes a perpetual-motion machine?
A. A battery that contains one oxidized metal and one reduced metal
B. A renewable energy source
C. A motor that requires no energy input once it is running
D. An electric motor that is powered by an electromagnet
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Answers: 1
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