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22 August, 21:12

How much power is used to lift a 1.9 kg brick 1.9 in 2. s

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  1. 22 August, 21:41
    0
    18W

    Explanation:

    Power=work/time

    Work = force x distance

    Force = mass x acceleration due to gravity

    F=1.9 x 10

    F = 19N

    W=19 x 1.9

    W=36.1J

    P=36.1/2

    P = 18watts
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