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Physics

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what is the instantaneous velocity of a free falling object 10s after it is released from a postion of rest?
what is its average velocity during this 10s interval?
how far will it fall during this time?

  • Physics -

    for constant acceleration:
    V = Vo + a t
    so for a = g = -9.8 m/s^2
    V = 0 - 9.8 t = -98 meters/second

    average = (Vo+V)/2 = (0-98)/2 = 49 m/s

    distance = average velocity * time = 490 meters

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