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Jay Krueger
Physics
12 June, 13:37
What is energy? it's from my physics book
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Esther Drake
12 June, 13:49
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Energy is the capacity of doing work
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Malia Hamilton
12 June, 13:52
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the capacity of doing work is called energy
it's si unit is Joule
it's CGS unit is calories
4.2J=1calorie
there are various forms of energy
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