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Vector calc easy q

  1. Feb 6, 2012 #1
    Last edited: Feb 7, 2012
  2. jcsd
  3. Feb 6, 2012 #2


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    That's the way to do it !

    This is also correct.
  4. Feb 6, 2012 #3


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    nope, that's exactly what you do.

    i agree with you. i can't speak for what the book has drawn.
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