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Spring 2008  Phys 5A  2/8  Lecture 1.8  50 minutes
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"Gravity is a contributing factor in nearly 73 percent 
of all accidents involving falling objects."
--Dave Barry

TODAY (*.pdf)
Clicker homework
     Turn on clicker before entry program starts
     Open book, open notes, partner/small-group collaboration okay
     No mooching/enabling (one-sided collaboration)

Ch. 2.7: Free Fall 
     Ex: Problem 2.44
     Ex: Problem 2.54(b) 
          Weblink: Quadratic Equation Solver (mathisfun.com)
          Shockwave video: "Jumping Out of Windows [Into Snow]"
          (source unknown; adult language; do NOT attempt this!)

NEXT TIME
Homework 
     Problem 2.54(a) 
          (hint: what is v_y at the highest height above the ground?)
     Read Ch. 3.2 (Fig. 3.6, trigonometry review)  
                  (Problem-solving strategy on finding components, p. 59)      

Problem-solving session
     Comprehensive Problems 2.56
                            2.62
     (attempt before, work on during, and submit at end of next class)
                            
"Learning Resource Survey" [3.0 points]
     (Hosted by Surveymonkey.com)
     Enter first/last name, rate usefulness of course components
     **Ends TONIGHT, 2/8, 11:59 PM**