A. Label the graphs as Position, Velocity or Acceleration B. Which of the following situations, consistent with your answer to Part (a), is most accurately represented by the graphs?  A car driving in the negative x direction suddenly shifts into reverse, and, with tires spinning, slows to a momentary stop before beginning to move in the positive x direction.  A rock is dropped from rest from the top of a tall building. The positive direction is upward, and drag may be neglected.  A sprinter runs a 100-meter dash in the negative x direction. Starting from rest, she has a constant acceleration for the first 50 meters followed by a constant speed for the remaining 50 meters.  A car driving in the positive x direction slams on its brakes and comes to rest.

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