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- Breaking vectors down into these x
- and y components provides a method
- of addition. Summing the x components
- of the vectors being added yields the
- resultant x component. The same holds
- true for the y component. To find the
- component of a vector, let the vector
- be the hypotenuse of a right triangle.
- The direction of the vector gives the angle
- from the horizontal and also serves as an
- angle of the triangle. Let h=the magnitude of v.
- From the definition of sine, the vertical
- component y is given by
-
-
-
- and the horizontal component is given by
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