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How much work is done by a girl weighing 450N while carrying a 2kg package up a 2m flight of stairs?

  • Physics -

    Including the work she does lifting herself,

    W = 450*H + Mp*g*H
    (Mp is the package mass and H is the 2 m elevation change)

    = 900 + 2*9.8*2 = 939.2 J

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