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Some properties of vectors  there is a point I don't understand it . 
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#1
Aug2010, 06:23 AM

P: 159

Hi
Two vectors A and B are equal if they have the same magnitude and the same direction . this property allows us to translate a vector parallel to itself in a diagram without affecting the vector . In fact , for most purposes, any vector can be moved parallel to itself without being affected . can you give me an example of that point 


#2
Aug2010, 09:51 AM

Mentor
P: 21,305

Let u = i + j
Let v be the vector that extends from (2, 1) to (3, 2) Then u = v = sqrt(2) and both vectors make an angle of 45 degrees with the positive xaxis. 


#3
Aug2010, 05:19 PM

P: 159

Thanks a lot



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