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7 October, 11:19

Joan wants to take a 30.0N object up to the 3rd floor of her office building, which is 10m above the ground floor. It is too big to fit through the doors, however, so she uses a crane to get it up the 3rd floor window. How much power will the crane need to exert in order to do this in 5.00s?

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  1. 7 October, 11:36
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    P=W/t

    P=F*s/t

    P=30*10/5 = 60 W
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