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Spring 2008  Phys 5A  1/28  Lecture 1.3  50 minutes
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"For those who want some proof that physicists are human, the
proof is in the idiocy of all the different units which they 
use for measuring energy."
--Richard P. Feynman, _The Character of Physical Law_

**REGISTERED CLICKERS = START EARNING POINTS**

**LABS START THIS TUESDAY/WEDNESDAY**

ANNOUNCEMENTS
"Physics Survey B" pre-test results
     How do physics students at Cuesta College and UC-Davis compare?

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. 1.5: Units
     Ex: Problem 1.18(a), with 0.320 mi/min
Ch. 1.6: Dimensional Analysis
     Ex: Comprehensive Problem 1.62
     Wikipedia.org: Ocean surface wave

ANNOUNCEMENTS
Bookstore: textbook, manuals (3), CPS RF "clicker"
Register your CPS "clicker" at einstruction.com
     (select students tab at top)
     (select "school" = Cuesta College Physical Sciences Division)
     create account = input contact info, LAST AND FIRST NAME
     serial number = turn on clicker
     class key = K30058E415
     enrollment code = insert included with textbook 
                     = $ discount!

NEXT TIME
Homework 
     Problems 1.24(a)-(b), 1.28
          ("Chapter 1 Problems 24, 28," p. 19)
     Read Chs. 2.2, 2.3
          (be able to define position, displacement, and vectors in general)           

Problem-solving session
     Comprehensive Problems 1.48, 1.68 (1.0 point each)
          ("Chapter 1 Comprehensive Problems 48, 68," pp. 20-21)
          (attempt before, work on during, and submit at end of class)