Understanding Displacement, Velocity, and Acceleration

Displacement: how far you are away from your starting point.
Velocity: How fast you are going in a particular direction.
Acceleration: Increasing or decreasing velocity with direction
(how fast you are slowing down or speeding up).

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  1. An object moves around the outside of a circle and ends up back where it began.

    The object's displacement is
    1.   Positive
    2.   Negative
    3.   Zero