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

Monday 
"I know this defies the law of gravity, but, you see, I never studied law."
     --Bugs Bunny, High Diving Hare, Warner Bros. Pictures (1949), 07:16ff.

Quiz 2 worksheet questions (*.pdf)

Ch. 2.6: Free Fall (*.blog)
     "List of Five" equations (*.pdf)
     Weblink: Quadratic Equation Solver (*.html)
         (mathsisfun.com)
     Ex: upward-jumping high diver (*.blog)
     Ex: thrown-downwards ball (*.blog)

Quiz 3 worksheet questions (*.pdf)

Chs. 1.4, 1.5, 1.7: Trigonometry, The Components of a Vector (*.blog)
     Ex: magnitude of vector, given components (*.blog)
     Ex: direction of vector, given components (*.blog)
     Ex: diagonally downwards-kicked ball (v0x, v0y only) (*.blog) 


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

Read Physics, 10/e, Ch. 3.3, skim Chs. 4.1, 4.7-4.10
Review/preview online presentations (*.blog), (*.blog)
     (Understand conceptually how projectile motion can be broken down into two separate types of motion you have already considered: a constant horizontal velocity component, and a free fall vertical component.  Lightly read over the general properties of forces, and the descriptions/causes of several "mechanical" forces to be considered later.  Don't worry about how to calculate forces, or Newton's laws just yet!)

Physics quiz question: S.M.T.H. record toss (*.blog)
Physics quiz question: anvil launch speed (*.blog)
Physics quiz question: UCSD Tioga Hall pumpkin drop (*.blog)
Ch. 2 Problems 49, 53
     (Practice analyzing different free fall problems using the "List of Five" equations.)

Physics quiz question: magnitude of vector, given components (*.blog)
Physics quiz question: direction of vector, given components (*.blog)
     (Hopefully these are basic trigonometry review problems?)

Physics midterm problem: highest point in trajectory (*.blog)
Physics midterm exam problem: downwards-aimed shotgun (*.blog)
     (For these problems, given the magnitude (in m/s) and direction θ of the initial velocity vector, only find the v0x, v0y initial velocity components; watch ± signs.  For now, you don't need to actually solve the rest of these problems.)

Due 12:00 AM before start of next lecture
     Reading assignment 6 (*.html)
     Homework report 6 (*.html)


Wednesday 
"This is not a novel to be tossed aside lightly.  It should be thrown with great force."
     --Dorothy Parker, as quoted by Bennet Cerf, "Try And Stop Me," The Dispatch 
       (October 11, 1962).  

Quiz 3 worksheet questions (*.pdf)

Ch. 3.3: Projectile Motion (*.blog)
     "List of Five + One" equations (*.pdf)
     Weblink: Quadratic Equation Solver (*.html)
          (mathsisfun.com)
     Ex: horizontally-thrown projectile (*.blog)
     Ex: diagonally-launched projectile (*.blog)

(Chs. 4.7-4.10: Mechanical Interactions (*.blog))

Quiz 2 announcements
     Monday, 9/18, 11:00-11:25 AM
     Closed-book, closed-notes
     Ten multiple-choice questions
          Horizontal motion (three questions)
          Slope/area graph calculations, relationships (five questions)
          Free fall (two questions)
     No work needs to be shown; no partial credit
     No Scantrons; circle answers directly on quiz
     Bring your scientific calculator
     **USE YOUR OWN UNIQUE 4-DIGIT P.I.N.**


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

Read Physics, 10/e, Chs. 4.2-4.4
Preview online presentation (*.blog)
     (Be careful about the distinction between when Newton's first law applies to motion, or when Newton's second law applies to motion.  Keep in mind that "motion" (that is, the velocity vector) has two components--"speed" (magnitude) and direction.  If motion is constant (no change to the velocity vector), then both the speed and direction must be unchanging, and Newton's first law applies.  If just the speed changes, or just the direction changes, or if both the speed and direction change, then motion is not constant, and Newton's second law applies.)

Ch. 3 Problems 15(a), 29
Physics quiz question: trajectory highest point speed (*.blog)
Physics midterm problem: Washington Monument baseball catch (*.blog)
     (These all have trajectories that either start horizontally (v0x ≠ 0, v0y = 0), or end horizontally (vx ≠ 0, vy = 0).  More general cases of trajectories that both start diagonally and end diagonally will be handled later.)

Due 12:00 AM before start of next lecture
     Reading assignment 7 (*.html)
     Homework report 7 (*.html)