Question #900017

# The displacement vectors A and B shown in figure 3-17 both have magnitude 2m. Find graphically (a) A + B, (b)?

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The displacement vectors A and B shown in figure 3-17 both have magnitude 2m. Find graphically (a) A + B, (b) A - B, (c) B - A
http://imageshack.us/photo/my-images/515/photouw.jpg/
The link above contains the picture for the problem. Please help me out here!
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