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Displacement over a vector

  1. Jan 27, 2008 #1
    [SOLVED] Displacement over a vector

    1. The problem statement, all variables and given/known data
    A fire ant, searching for hot sauce in a picnic area, goes through three displacements along level ground: 1 for 0.46 m southwest (that is, at 45° from directly south and from directly west), 2 for 0.59 m due east, and 3 for 0.52 m at 60° north of east. Let the positive x direction be east and the positive y direction be north. What are (a) the x component and (b) the y component of 1? What are (c) the x component and (d) the y component of 2? What are (e) the x component and (f) the y component of 3? What are (g) the x component and (h) the y component, (i) the magnitude, and (j) the direction of the ant's net displacement? If the ant is to return directly to the starting point, (k) how far and (l) in what direction should it move? Give all angles as positive (counterclockwise) angles relative to the +x-axis.


    2. Relevant equations



    3. The attempt at a solution

    I have everything solved up until (l)


    (g).5247308807m
    (h).124642017m
    (i)5393311873m
    (j)13.36212366° (degrees)
    (k).539311873m

    But shouldn't (l) be the same angle as (j)? Or am I just missing something.
     
  2. jcsd
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