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Physics, 27.06.2019 09:00 GgRed

Electrical energy is used to turn the blades of a fan. the amount of energy transformed is seen here : 750 j electrical energy is transformed into 400 j kinectic energy . what happened to the remaining 350j of energy?

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Electrical energy is used to turn the blades of a fan. the amount of energy transformed is seen here...
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