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Alamojay Alamojay
wrote...
Posts: 1898
9 years ago
Perpetual motion machines without an additional energy input cannot exist because
A) energy cannot be created or destroyed.
B) in any energy conversion, some energy is lost.
C) energy cannot be converted from one form to another.
D) kinetic energy requires an input of light energy.
Textbook 
Environmental Science: Toward A Sustainable Future

Environmental Science: Toward A Sustainable Future


Edition: 12th
Authors:
Read 403 times
1 Reply
Super Cuban Dude
Smiling Face with Open Mouth
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Answer verified by a subject expert
JesuisMelJesuisMel
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Top Poster
Posts: 2453
9 years ago
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Alamojay Author
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9 years ago
You make an excellent tutor!
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Yesterday
Smart ... Thanks!
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2 hours ago
Brilliant
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