Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

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


    User Avatar
    Gold Member

    expansion in the longest dimension of the object.
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook