Cuesta College :: Physics 205A :: Fall 2017
Calendar Policies Goals Grades
    *.html

Monday 
"Anyone can do any amount of work provided it isn't the work he is supposed to be doing at that moment."
     --Robert Benchley, quoted in Robert E. Drennan, The Algonquin Wits: 
       Bon Mots, Wisecracks, Epigrams and Gags, The Citadel Press (1968), p. 5.  

Quiz 3: 11:00-11:25 AM
     **NO  PHONES/LAPTOPS/TABLETS ALLOWED**
     **USE YOUR OWN GRAPHING/REGULAR CALCULATOR** 
     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
          (WELCOME TO WAIT OUTSIDE IF YOU WANT TO TALK)

Group quiz (3-4 students/group, write names on back of "scratcher") 
     0.3 points for each "first scratch" correct answer
     0.1 points for each "second scratch" correct answer 

Quiz 4 worksheet questions (*.pdf)

Chs. 6.1-6.2: W, KEtr, Work-Energy Theorem (*.blog)
     Ex: work done on crate coasting up along ramp (*.blog)


Laboratory 
Tuesday 
Check Twitter announcements: #CuestaPhys205A
Review previous reading assignment responses (*.blog)

Read Physics, 10/e, Chs. 6.3-6.6 
Preview online presentation (*.blog) 
     (Recognize separate changes (increases/decreases) in the two conservative forms that "store" energy (gravitational, elastic), and how non-conservative and/or external forces can remove or add energy.  In the ideal case that there is no external work done, then energy is "conserved" and can transfer between different forms without loss.)

Physics quiz question: work done on diagonally-pulled crate (*.blog)
Physics quiz question: comparing work done by friction in stopping sliding boxes (*.blog)
Ch. 6 Problems 3, 5

Due 12:00 AM before start of next lecture
     Reading assignment 12 (*.html)
     Homework report 12 (*.html)


Wednesday 
"Energy...is the ultimate convertible currency."
     --Brian Greene, The Elegant Universe: Superstrings, Hidden Dimensions,  
       and the Quest for the Ultimate Theory, W. W. Norton & Co. (1999), p. 120. 

Quiz 4 worksheet questions (*.pdf)

(Chs. 6.1-6.2: W, KEtr, Work-Energy Theorem)
     Ex: train buffer stop (*.blog)
     
Chs. 6.3-6.6: KEtr, PEgrav, Energy Conservation (*.blog) 
     Ex: airplane trading altitude for speed (*.blog)
     

Thursday 
Check Twitter announcements: #CuestaPhys205A
Read Physics, 10/e, Ch. 7.1
Review previous reading assignment responses (*.blog)

Preview online presentation (*.blog) 
     (More new concepts related to an another new approach to analyzing motion.  Note the cause-and-effect relationship: an impulse exerted on an object changes its momentum.  Later we'll consider how objects can affect each other's momentum without necessarily involving external impulses.)

Physics quiz question: Ford Mustang GT Premium kinetic energy (*.blog)
Physics quiz question: supersonic ping-pong ball vacuum cannon (*.blog)
Physics quiz question: Space Shuttle "Launchbat" (*.blog)
Physics quiz question: Brachiosaurus vomit (*.blog)
Ch. 6 Problems 17, 37, 41(a)-(b)

Due 12:00 AM before start of next lecture
     Reading assignment 13 (*.html)
     Homework report 13 (*.html)