Posted by Kerri on Thursday, September 10, 2009 at 10:36pm.
the number on the left is the displacement, on the right is the vector. The person travelling i order of the numbers ....not sure how to explain this because there are no instructions only a shart with the titles of the categories Steps, Displacement, Vector.
I'm supposed to find the Displacement. How do I do that?
20m North
52m South
19m East
30m North
1m West
1m North
10m South
56m North
19m West
26m South

physics  MathMate, Thursday, September 10, 2009 at 11:21pm
There is no magic but to resolve each and every vector into its components (East =x, North =y), and add up each component.
A well formatted table will help you organize your work. A suitable format could be:
Distance Direction(°) xcomponent ycomponent
20 90 20cos(90) 20 sin(90)
52 90 20cos(90) 20sin(90)
....
26 90 26cos(90) 26sin(90)

Total  xtotal ytotal

physics  Kerri, Friday, September 11, 2009 at 9:55pm
I don't get that ....please help..this is my first year of physics so i have no idea at all
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