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Wednesday, June 27, 2007

graphical method*oh come on!*

1.analyze the problem and decide the scale you'll be using, make sure that your scale will be easy enough for you to convert if needed.

2. draw the first vector make sure to be accurate as possible.

3.when drawing your second vector, put its tale right after the head of the first vector and so on.

4.in getting the resultant vector connect the last vector ro the point of origin, then measure it using the scale.



component method


1. given the vector, find its x and y x component by using SOHCAHTOA..when it has direction we have to determine whether its positive(up and right) of negative (left or down)

2.after that we have to get the resultant x ny adding up the x components and so on with the resultant Y.

3.then we can now compute for the resultant vector by the use of Pythagorean theorem or simply getting the sQuare root of the sum of the sQuared vectors.*whew!*


4. after getting the resultant vector we should get the angle of the resultant vector to know whether it is positive or in the negative side.By using the tan formula you can easily get the measure of the angle*use your sci calc*.





@5:48 AM

my brain is starting to decompose on its own. 5:48 AM


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