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Online physics help?

  1. Feb 10, 2006 #1
    I'm a freshman in physics at Notre Dame. What I have noticed is that no one knowledgeable in physics actually explains the principles. Instead, as an example,my professor will say something like, "And so, this allows you to derive this equation." But he doesn't ever explain the "why" behind the equations, so I never know exactly when to apply them.

    Is there any help site online that actually explains the principles and why one would use them? Thanks in advance.
     
  2. jcsd
  3. Feb 10, 2006 #2
    hey man, there are no specific sites that i know of. either ask them here or google them. sorry im not much help
     
  4. Feb 10, 2006 #3
    What about your textbook?
     
  5. Feb 10, 2006 #4
  6. Feb 10, 2006 #5

    arildno

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    Note that your professor has given you the "why" for why the derivable equation is, indeed, valid.

    When would you like the chain of whys to begin?
     
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