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Spring 2008  Phys 5A  5/2  Lecture 3.1  50 minutes
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"It doesn't matter what temperature the room is; 
it's always room temperature."
--Steven Wright 

TODAY (*.pdf)
Chs. 13.1-13.2: Temperature and Temperature Scales (*.pdf)
     (Basic information; study on own)
     Weblink:
          Temperature scales (wikpedia.org)
     Ex: Problem 13.2(a) (extended)
     Ex: Conceptual Question 13.3, Problem 13.4(a)
Ch. 13.3: Thermal Expansion 
     Weblinks: 
          Continuous welded rail (wikipedia.org)
          Heat restrictions necessary (vre.org)
          Loosen a jar lid (hyperphysics.phy-astr.gsu.edu)
     Ex: Bar expansion versus half-bar expansion
     Ex: Conceptual Question 13.4 (extended)
Ch. 13.4: Molecular Picture of a Gas
     Ex: Conceptual Question 13.11
     Weblinks:
          u and historical amu (wikipedia.org)
          Atomic Microscope 2-D demo (free) (Stark Design)

NEXT TIME 
Midterm 2 Announcements
     MONDAY, 5/2, 9:30-10:20 AM
     Bring your scientific calculator
     **USE YOUR OWN UNIQUE 4-DIGIT P.I.N.**
     **ENERGY/MOMENTUM/ROTATION/FLUID/SHM/WAVE EQUATIONS PROVIDED**
     **KNOW WHEN/HOW TO APPLY EQUATIONS**
     **CHS. 6.3/6.4, 7.2, 8.2/8.4, 8.7, 9.5, 10.5/10.6, 11.1/12.3, 12.4, 12.8** 
     Closed-book, closed-notes
     No Scantrons; circle/write answers directly on Midterm
     Five multiple-choice questions = 15 points
          No work needs to be shown; no partial credit
          (Three from Spring 2008 Quizzes 4-6)
     Two short-answer questions = 20 points
          (Cf. reading guide Chs. 6-12 conceptual questions)
          Partial credit given for relevant discussion
     Two worked-out problems = 40 points
          Partial credit given for approach and method
          (Cf. Spring 2008 HW Chs. 6-12 problems, lecture examples)


NEXT NEXT TIME (Wednesday, 5/7)
Homework
     Problems 13.2(a)
              13.4(a)
              13.6
              13.14 (express in units of cm^3)
              13.28 (express in units of u)
              13.30(a) (express in units of g)
              13.36

Read Chs. 13.5 (Eqs. (13-13), (13-16); N, k, n, R;
                Problem-Solving Tips, p. 466)
          13.6 (p. 468 "light bulb" comment; Eqs. (13-20), (13-21), (13-22));
                Maxwell-Boltzmann distribution; Fig. 13.13)