Physics

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A ball is thrown vertically upward from a window with an initial velocity of 10m/s. if it hits the ground below the window 5.0s later, what is the height of the window...can you tell me the steps on how to do this please...

  • Physics -

    assume all heights are from the middle of the window.
    hf=hi+vi*t-1/2 g t^2
    hf=unknown
    hi=zero
    vi=10
    t=5
    g =-9.8m/s^2
    calculate

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