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Solving components of vectors

  1. Sep 27, 2012 #1
    1. The problem statement, all variables and given/known data
    Let resultant vector A = 17 i hat - 42 j hat and resultant vector B = 31 j hat + 18 k hat. Find the resultant vector C such that the sum of resultant vector A, B and C equals resultant vector zero. Find the i,j and k components of resultant vector C.

    2. Relevant equations
    understand the basic of vectors i hat is in the x axis and j hat is the y axis. negative vector points down and left. positive vectors point right and up. use the tail to head rule to connect vectors.


    3. The attempt at a solution
    vectors.png
    I'm not sure how to go about solving this problem. Do I add the vectors with the same hats?
     
  2. jcsd
  3. Sep 27, 2012 #2

    PhanthomJay

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    Yes. If a resultant vector is 0, then it can't have any components. So when you add up the individual vectors with the same hats , they must sum to___??____. Watch plus and minus signs.
     
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