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Spring 2008  Phys 5A  2/13  Lecture 1.10  50 minutes
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"Experience is a hard teacher because she gives 
the test first, the lesson afterwards."
--Vernon Sanders Law

TODAY (*.pdf)
Quiz 2: 9:30-9:55 AM
     **PLEASE SIT IN EVERY OTHER SEAT**
     **NO CELL PHONES/MEDIA PLAYERS/PDAS ALLOWED**
     USE YOUR OWN UNIQUE 4-DIGIT P.I.N.
     WRITE NAME AND P.I.N. ALONG EDGE OF QUIZ
     CIRCLE ALL ANSWERS DIRECTLY ON QUIZ
     FINISHED EARLY?  TURN IN QUIZ, BE CONSIDERATE AND QUIET

Chs. 3.1/3.2: Vector Addition and Subtraction
     Weblink: Vector Addition Applet
              (Pascal Renault, John Tyler Community College, VA)
     Ex: Multiple-Choice Questions 3.1/3.2 (extended)

Clicker opinion survey (optional anonymity)

ANNOUNCEMENT
No class on Friday, 2/15 = Lincoln's Birthday
No class on Monday, 2/18 = Washington's Birthday

NEXT TIME (Wednesday, 2/20)
Homework 
     Problem 3.12
     Problem 3.2 (extended):
          draw A + B, B + C, C + A, 
               A - B, B - C, C - A
     Read Chs. 3.3, 3.4, 3.5  
          (general idea of finding delta_r and v from r_i, r_f)
          (general idea of finding delta_v and a from v_i, v_f)
          (p. 65 equations, as related to Fig. 3.17)
          (Eq. (3-14), as related to Fig. 3.16)