Speed and Velocity(1D)

A hockey puck bounces off a wall and returns to its original starting point where it is stopped as shown in the animation (position is shown in meters and time is in seconds). Positive x is to the right.

Questions

  1. What is the average speed of the puck during the time it is in motion? Begin
  2. What is the average velocity of the puck during the time it is in motion?

  3. What is the instantaneous velocity of the puck at t = 3.0 second?

See Giancoli-PA: 2-5, Giancoli-SE: 2-5. Physlet problem authored by Mario Belloni using Wolfgang Christian's Physlets. © 2000 by Prentice-Hall, Inc. A Pearson Company