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Simple vector question 
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#1
Oct2206, 02:03 PM

P: 131

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 northsouth line and along the eastwest line.
Northsouth component: Eastwest 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
Oct2206, 02:12 PM

P: 131

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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