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Math

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A rocket is launched from ground level with an initial vertical velocity (v0) of 176 ft/s. After how many seconds will the rocket hit the ground? (Hint: h(t) = -16t2 + v0t + h0)

  • Math -

    h(t) = 176t - 16t^2
    it hits the ground when h=0

    176t-16t^2 = 0
    16t(11-t) = 0
    t=11

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