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24 April, 14:45

What is energy? it's from my physics book

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  1. 24 April, 14:58
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    Energy is the capacity of doing work
  2. 24 April, 17:05
    0
    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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