39 - Vectors General Physics I Mechanics Physics 140...

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Unformatted text preview: Vectors General Physics I Mechanics Physics 140 Racquetball Striking a Wall Mt. Etna Stewart Hall I WANT YOU TO ASK QUESTIONS! Unit Vectors A unit vector is a vector of length one pointing along a direction i-hat is a unit vector in the positive x direction j-hat is a unit vector in the positive y direction k-hat is a unit vector in the positive z direction Unit Vectors A unit vector is a vector of length one pointing along a direction i-hat is a unit vector in the positive x direction j-hat is a unit vector in the positive y direction k-hat is a unit vector in the positive z direction This is a right-handed triad of vectors: k j i Components and Unit Vectors Component vectors can be expressed as a product of a number and a unit vector: j A i A j A i A y x y x y y x x A A A A A Components and Unit Vectors Component vectors can be expressed as a product of a number...
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This note was uploaded on 01/18/2012 for the course PHYSICS 140 taught by Professor Evrard during the Winter '07 term at University of Michigan.

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39 - Vectors General Physics I Mechanics Physics 140...

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