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Physics book question

  1. Apr 2, 2014 #1
    1. The problem statement, all variables and given/known data
    A train moves from rest to a speed of 25 m/s in 30.0 seconds. What is the magnitude of its acceleration?

    2. Relevant equations

    3. The attempt at a solution
    I don't know how to find the magnitude
  2. jcsd
  3. Apr 2, 2014 #2


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    Science Advisor
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    Gold Member

    Is it just the word magnitude that's bothering you? That simply means the size of the acceleration, not worrying what direction it's in.
    Given a change in speed and the time it takes, do you know how to calculate the acceleration?
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