Physics

Physics Sec. 2.3 Open Notes Quiz

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  • 1. Multiple-choice
    45 seconds
    1 pt

    The final velocity of an object undergoing free fall from rest is proportional to 


     12\frac{1}{2}   Δ\Delta  x

     Δ\Delta  x

     \sqrt{ }  ( Δ\Delta  x)

    ( \Delta  x)^2

  • 2. Multiple-choice
    45 seconds
    1 pt

    An object in free fall

    experiences an increase in speed of 9.81 m/s during each second.

    moves only downward.

    undergoes a velocity decrease of 9.81 m/s during each second.

    all of the above

  • 3. Multiple-choice
    45 seconds
    1 pt
    Image

    The graph above shows the motion of four objects. Which of the following lines represent an object in free fall? Assume positive velocity is upward.

    I only

    II only

    I and III

    I and IV

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