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How can you reverse a physical change?
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What is the efficiency of an engine that does 80 j of work and exhausts 320 j of heat while taking in 400 j of heat ? a. 10% b. 20% c. 80% d. 25%
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What is the speed vfinal of the electron when it is 10.0 cm from charge 1?
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When solid surfaces slide over each other the kind of friction that occurs is called friction
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How can you reverse a physical change?...
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