1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

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


    User Avatar
    Homework Helper

    I think both can be solved if you dot product both sides with the vector v.
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook