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Why does acceleration change here...?

  1. May 18, 2016 #1
    1. The problem statement, all variables and given/known data
    gySqXf.png
    Hi everyone, this is probably simple but i don't understand why the acceleration in the question is 0.20 m/s2 but in the answer an acceleration of 0.020 m/s2 is used? Can someone please explain why it changes? Thank you!
    2. Relevant equations


    3. The attempt at a solution
    DdICns.png
     
  2. jcsd
  3. May 18, 2016 #2

    robphy

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    Science Advisor
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    It's likely a typo.
     
  4. May 18, 2016 #3
    For sure? I was thinking that lol but there are 3 parts to the question and they all use 0.020.
     
  5. May 18, 2016 #4
    Then the typo must have been in the problem statement.
     
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