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2.1 Position, Velocity, and Speed
The displacement ∆x of a particle is defined asits change in position in some time interval. As the particle moves from an initial position xi to a final position xf , its displacement is given by
∆x= xf - xi
Example 2.1 Calculating the Average Velocity and SpeedFind the displacement, average velocity, and average speed of the car in Figure 2.1 between positions A and F.
Displacement:
