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Simple displacement question

  1. Jan 16, 2012 #1
    1. The problem statement, all variables and given/known data
    A wolf wanders 64 m [N15E], 93m[N20W], and 167 m [N]. What is her displacement?

    North to South east is considered positive by my sign convention, and from south to north west, it is considered to be negative, once again by my sign convention. I've never seen problems like this before, I did make an attempt but i am getting the answer wrong.


    2. Relevant equations

    Δ d = d3 - d2 - d1



    3. The attempt at a solution

    Δd= (+ 167m [N]) - ( -93 m [N20W]) - (+ 64m [N15E])
    = 324 m [N5W]
    1. The problem statement, all variables and given/known data



    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Jan 16, 2012 #2
    Displacement is the shortest distance between your initial distance and final distance. Try drawing the wolfs movement on a paper with the angles then draw a line between the initial distance and final distance that is the displacement
     
  4. Jan 16, 2012 #3
    So then what point is my point of reference, and i tried it but still nothing. Can someone do it and show how they got the right answer??
     
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