Lecture 4 Jan. 28

Lecture 4 Jan. 28 - Lecture 4 Vectors Motivation Building...

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Physics 102 Lecture 4 Slide 1 Department of Physics, University of Arizona Lecture 4: Vectors Motivation: Objectives: Building the mathematical foundations for the study of motion in 2 or 3 dimensions (e.g., projectiles, orbits, pendulums etc.) Describe vector quantities from two complementary perspectives: (1) magnitude and direction; (2) components and vice versa
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Physics 102 Lecture 4 Slide 2 Department of Physics, University of Arizona Lecture 4: Vectors 1D Motion: Direction of motion (e.g., left vs. right, up vs. down) indicated only by sign (+ or - ) 2D and 3D Motion: Direction of motion must be spelled out more explicitly (e.g., “the airplane flew 810 km in a northwesterly direction” or “winds expected from the west at speeds up to 20 m/s”) Vectors : Physical quantities that possess both magnitude and direction (e.g., position, displacement, velocity, acceleration) Scalars: Physical quantities that possess only magnitude (e.g., mass, time)
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Lecture 4 Jan. 28 - Lecture 4 Vectors Motivation Building...

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