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    Breaia09's Avatar
    Breaia09 Posts: 1, Reputation: 1
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    #1

    Jan 12, 2011, 09:47 AM
    Do you divide the given vector by the magnitude to find the unit vector?
    The problem asks me to find a unit vector in the direction of the given vector. The problem is w=i-2j and another is w=2j.
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #2

    Jan 12, 2011, 09:51 AM

    Yes, that's it. For example, if you have



    the magnitude of this vector is 5. (Here and are the unit vectors in the x ans y directions, respectively.) So the unit vector would be:
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