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Chapter 3 Notes

by: Jacob Edwards

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Chapter 3 Notes 80218 - PHYS 1220 - 001

Jacob Edwards
Clemson
GPA 3.2

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These notes cover chapter three and are the basics of vectors
COURSE
Physics with Calculus I
PROF.
Lih-sin The
TYPE
Class Notes
PAGES
1
WORDS
CONCEPTS
Physcics Vectors
KARMA
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This 1 page Class Notes was uploaded by Jacob Edwards on Tuesday February 2, 2016. The Class Notes belongs to 80218 - PHYS 1220 - 001 at Clemson University taught by Lih-sin The in Winter 2016. Since its upload, it has received 12 views. For similar materials see Physics with Calculus I in Physics 2 at Clemson University.

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Date Created: 02/02/16
Chapter 3- Vectors Vectors A vector has both magnitude and direction A scalar has only magnitude When drawing vectors the arrow head represents direction vectors are equal if they have the same magnitude and direction When adding vectors, the sum is displayed in a resultant vector Vectors are added with head to tail addition Vector addition is commutative; this basically means that A+B=B+A Vector addition is associative, this means that (A+B)+C=A+(B+C) When multiplying a vector by a scalar, the resultant vector will have the same direction, but will have a different magnitude Treat vector subtraction the same as addition with the head to tail method but make the vector negative and have it point in the opposite direction Cartesian Coordinate Systems  Unit vectors are used in the Cartesian coordinate system  i represents the x direction  j is the y direction  k is the z direction Vector Components Component form uses unit vectors to display direction adjacent Cosθ= hypotenuse opposite Sinθ= hypotenuse Pay attention to triangles to know when to use cos and sin. Cos will not always be with i, and sin won’t always be with j

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