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Average Acceleration Question

  1. Oct 23, 2008 #1
    1. The problem statement, all variables and given/known data
    A car traveling at a constant speed of 20 m/s that is initially traveling due northwest rounds a corner so that after 10 s, the car is traveling due northeast. What are the magnitude and direction of the car's average acceleration during this interval of time? Be sure to sketch a motion diagram for process as well.

    2. Relevant equations

    acceleration = change in velocity / change in time

    3. The attempt at a solution

    Since the car is travelling at a constant speed, I would assume that the acceleration is zero. However, this does not seem right by the content of the question. Could someone please help me get started?
  2. jcsd
  3. Oct 23, 2008 #2


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    Homework Helper

    Velocity and acceleration are Vectors.

    So ... Change in Velocity / change in time =
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