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Unformatted text preview: ( ) B A B A + =( ) A B A B =+ If a vector A is multiplied by a positive scalar quantity m , the product vector m A has the same direction and the magnitude mA . If A is multiplied by m , the vector m A is pointing in the opposite direction of A . 5 Unit vectors have magnitude 1 and have no dimension. Adding and subtracting arithmetically: 6 Three dimensions are difficult to draw. Go arithmetic...
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 Spring '09
 Ragan

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