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Mathematics, 17.02.2021 20:20 xXFLUFFYXx

Please help me! 7th grade science! A girl uses 60j of energy to move a box from the floor to a shelf. How much power does she use if it takes her 3 seconds to move the box?
15watts
20watts
90watts
180watts

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Please help me! 7th grade science! A girl uses 60j of energy to move a box from the floor to a shel...
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