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Last vector problem help please!

  1. Sep 9, 2008 #1
    1. The problem statement, all variables and given/known data
    vector A has x and y components of -8.70 cm and 15 cm, respectively; vector B has x and y components of 13.2 cm and -6.60 cm, respectively. if A-B+3C=0, what are the components of C?

    2. Relevant equations

    3. The attempt at a solution

    i cant figure out how to do it
  2. jcsd
  3. Sep 9, 2008 #2
    you have vector A and vector B subtract them and whatever you get lets call it D, so you will have D+3C=0=>-D/3=C. Remember keep D in x and y component and then divide it by 3.
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