| A | B |
|---|
 | Object starts with positive constant velocity, crosses the origin, then stops. |
 | Object starts with negative constant velocity, crosses the origin, then stops. |
 | Object is at rest infront of the origin, then moves with constant positive velocity. |
 | Object is at rest behind the origin then moves with constant positive velocity. |
 | Object is at rest infront of the orgin then moves with negative constant velocity. |
 | Object is at rest infront of the orgin, then moves with negative constant velocity behind the origin. |
 | Object is at rest behind the origin, then moves with negative contstant velocity. |
 | Object moves with negative constant velocity, then moves with greater speed in the same direction. |
 | Object changes from fast speed to slow speed. |
 | Object changes speed at the origin. |
