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I am confused with this equation derivation

  1. Jun 16, 2012 #1
    Hello, please take a look at the image below:
    http://tinyurl.com/cnz2sut [Broken]

    I am confused as to how that square root transformed into 3/2 power... Isn't it suppose to be 1/2 power if it's a square root?

    Thanks
     
    Last edited by a moderator: May 6, 2017
  2. jcsd
  3. Jun 16, 2012 #2
    The term on the right with the 3/2 power is the result of the differentiation stated by the term on the left.
     
  4. Jun 16, 2012 #3
    Ahh of course >.< I can't believe I didn't see that. I thought the variables could become a part of the differential d/dt without differentiating the entire equation... My mathematical mistake! lol
     
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