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Spring 2008  Phys 5A  3/10  Lecture 1.19  50 minutes
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"Let the wheel spin out,
Till all created things
With shout and answering shout
Cast off rememberings...."
--Philip Larkin

TODAY (*.pdf)
Clicker homework

Pick up your Quiz 3; scores posted online
Discussion of selected questions at waiferx.blogspot.com

3/7 opinion results
     Preparation/understanding of material?

Ch. 5.2: Uniform Circular Motion
     Ex: Multiple-Choice Question 5.9 (extended)
     Ex: Denmark Windmill/Wind Turbine Explosion (*.flv)
         (youtube.com)
     Ex: Motorcycle-powered roundabout (removed from youtube.com)
         Playground stunt blasted (BBC News)
     Ex: Comprehensive Problem 5.80(b)

Ch. 5.3: Unbanked/Banked Curves
     Ex: Problem 5.20 (extended, start)
         (m_car = 1.5e+03 kg)

NEXT TIME
Homework
     Problems 5.13 (for practice only)
              5.14 (answer (b) in rad/s)
              5.19 (for practice only)
              5.20 (solve for theta and for N)
              5.21 (for practice only)
              5.24
     Read Ch. 5.5 
          (Problem-Solving Strategy, p. 161)
     Read Ch. 6.1 
          ("conservation of energy" definitions)

Problem-solving session (2.0 points)
     Chs. 1-5 Review Exercise 20 (p. 178)
     (attempt before, work on during, and submit at end of next class)