physics

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An object is launched horizontally from a cliff. The cliff is 80m high and the object has an initial velocity of 50m/s. Find the initial x and y velocity and the final x and y velocity

  • physics -

    Xo = 50 m/s
    Yo = 0.

    h = Vo*t + 0.5g*t^2 = 80 m.
    0 + 4.9t^2 = 80
    t^2 = 16.33
    Tf = 4.04 s. = Fall time.

    Y = Yo + gt = 0 + 9.8*4.04 = 39.6 m/s =
    Final Y velocity.

    X = 50 m/s = Final X velocity

    NOTE: The hor. component of velocity does not change.

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