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16 October, 23:30

A girl of mass 25kg climbs up 8 steps

each of height 0.25m, in 20s. calculate

the power of the girl (s = 10ms]

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Answers (1)
  1. 17 October, 03:26
    0
    m=25kg

    g=9.8m / (s^2)

    h=8*0.25

    =2m

    t=20s

    we have,

    p=mgh/t

    =25*9.8*2/20

    =24.5watts
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