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Thermal expansion

  1. Dec 10, 2011 #1
    what exactly is elongation? in the thermal expansion question, it says if the elongation of the 2 rod fasten end to end is the same
     
  2. jcsd
  3. Dec 10, 2011 #2

    Pythagorean

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    Gold Member

    expansion in the longest dimension of the object.
     
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