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Homework Help: Closed wrong section

  1. Sep 24, 2010 #1
    1. The problem statement, all variables and given/known data

    2. Relevant equations

    know dot product

    3. The attempt at a solution
    PART A

    PART B
    not sure what's it asking for

    help would be great
    Last edited: Sep 24, 2010
  2. jcsd
  3. Sep 25, 2010 #2


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    Homework Helper

    I think both can be solved if you dot product both sides with the vector v.
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