physics

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Consider a marble moving on a horizontal track with a speed of 10 meters per second( ignore friction and air resistance). the marble leaves the track and falls through the air to the ground a vertical distance of 1.5 meters.
how long does it take to for the marble to hit the ground?

  • physics -

    you can ignore the horizontal speed of the marble (unless you want to find out far far it travels).

    s = 1/2 at^2
    1.5 = 1/2 * 9.8 t^2
    t = 0.55 sec

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