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Please help with my resonance science project

  1. May 19, 2009 #1
    1. The problem statement, all variables and given/known data
    We shattered a wineglass using resonance. We also filmed the radius distortions here:
    http://www.youtube.com/watch?v=HpcXf906wPw&feature=channel_page

    We also filmed it shattering here:
    http://www.youtube.com/watch?v=45agipT91Vw&feature=channel

    How do we measure how much the radius of the rim distorts?


    2. The attempt at a solution

    I got this free software Imagej, one can use it to set scale and measure distances in images. And do many other things. But I still cant figure out how to measure the amount of radius distortion. Anybody got any simpler and/or better ideas?
     
  2. jcsd
  3. May 22, 2009 #2
    Please help me on this. I guess I could use the primitive method of sticking a ruler to the screen and measuring the change in radius.
     
  4. May 22, 2009 #3

    minger

    User Avatar
    Science Advisor

    The best way would to have put some scale paper or something around the glass and then had cameras as specific locations such you could have measured from the paper.

    Now it's going to be a tough realistic approximation.
     
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