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Vector Lessons Visual representations are conceptually useful but quantitatively imprecise A vector itself is independent of our choice of coordinate system;

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Presentation on theme: "Vector Lessons Visual representations are conceptually useful but quantitatively imprecise A vector itself is independent of our choice of coordinate system;"— Presentation transcript:

1 Vector Lessons Visual representations are conceptually useful but quantitatively imprecise A vector itself is independent of our choice of coordinate system; it’s components depend on our choice of coordinate system Some choices are more useful than others Unit vectors help quantitatively define coordinate systems Algebraically, we add vectors by adding similar components Dot products measure how parallel two vectors are Cross (vector) products measure how perpendicular two vectors are Although we have to imagine and choose many things in order to solve a a problem, its ultimate physical meaning is the same! What is the vector form of the kinematic equations? Pictures? Ch1

2 Ch3 2-d Kinematics: Projectiles Motion in 2-dimensions Vectors Independent motion in each direction Grid worksheet Potato Gun MythBustersMythBusters (5 parts!) Given the initial velocity of a projectile find its range on level ground The Zoo Keeper and the Monkey Questions?

3 Ch3 Circular Motion Velocity Acceleration worksheet Circular coordinate system Circular motion Derivation Uniform circular motion Questions?

4 Ch3 Relative Motion Choosing an origin Meaning of “relative to” Soccer ball launch Highway Parking lot 2-d Projectile Motion Redraw a familiar motion diagram relative to an observer on an elevator at cruising speed. Vector relation Graphical derivation Algebraic derivation


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