# L8 - Remember • You should have fnished reading Chs...

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Unformatted text preview: Remember • You should have fnished reading Chs. 1‐3.4. • CAPA assignment #3 is due this evening at 10 PM, to be done on‐line. • Mid‐term exam #1 is next Tuesday From 7:30 – 9:00 PM. Students with documentaJon who need extra Jme should have contacted ProF. Zimmerman by email. L5 ¡ 1/23/09 1 Physics 2010 Materials to study for Mid-Term I • Read Giancoli Ch.1 – Ch. 3.4. • In class Clicker Questions & Lecture Materials. • Your CAPAs. • Your Recitation Assignments and Lab. • Giancoli web site: “Practice Questions”, “MCAT Study Guide”, “Practice Problems”. Link on course web site. • Sampling of end of chapter Questions and Problems . • Old practice exam on CULearn. • Dr. Michael Dubson’s Chapter Notes. L5 F 1/23/09 2 Physics 2010 L5 F 1/23/09 Physics 2010 3 Last time …. Expressing motion in 2D: • Reviewed vectors – length (magnitude) and direction • Expressing vectors in component form • Finding length of a vector • Finding components of a vector – requires trig • Finding the direction from the components – more trig • Review of trigonometry • Addition & subtraction of vectors: by components & graphically • De¡nition of position, displacement, & velocity vectors. L5 F 1/23/09 Physics 2010 4 Kinematics in 2D: Use of Vectors Consider the two “position vectors” that specify the location of a blue ball at two points in time ( t 1 and t 2 ) in a chosen ( x,y ) Reference Frame: y R 1 x R 2 R 1 = ( r 1 x , r 1 y ) R 2 = ( r 2 x , r 2 y ) L5 F 1/23/09 Physics 2010 5 Kinematics in 2D: Use of Vectors Consider the two “position vectors” that specify the location of a blue ball...
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## This note was uploaded on 08/24/2010 for the course PHYS 2010 taught by Professor Dubson during the Spring '06 term at Colorado.

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L8 - Remember • You should have fnished reading Chs...

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