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13 April, 21:20

According to the law of conservation of energy, when a lawn mower uses 750 J of chemical energy from gasoline, how much of this energy will be transformed into mechanical, sound, or energy? A. 325 J B. 750 J C. 162 J D. 1500 J

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  1. 13 April, 23:39
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    Conservation of energy

    all of it should be transformed since the energy is conserved (neither

    destroyed nor created)

    so the answer is B) 750 J
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