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Simple vector question

  1. Oct 22, 2006 #1
    A force vector has a magnitude 640 N and a direction of 39° north of east. Determine the magnitude and direction of the components of the force that point along the north-south line and along the east-west line.

    North-south component:

    East-west component:

    I know that the direction of these two components are north and east, but for the magnitudes i got 497.4 and 402.8, respectively. I used cos(39)640 and sin(39)640. Please if anyone can help it would be greatly appreciated, this question is for a webassign. Thank you very much
  2. jcsd
  3. Oct 22, 2006 #2
    I have a feeling its a sig fig error...do I put 497 and 403 into webassign instead? I just really don't want to get this question wrong for something stupid...
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