| week |
Mon |
Wed |
Fri |
| Jan.08 |
pre-test & syllabus
quality cf quantity (Σ) ; mks & SAE units
extensive object L , A , V ; intensive densities |
extensive mass ; Σ m = mtot ; specifics
time coordinate cf duration Δt ; rates
place r = (x,y,z) ; rbefore + Δr = rafter |
weight F ⇐ mg , cancels spring F ⇐ −ks
position cf displacement ; distance cf path length ℓ
mass moment Σ mr = mtotrc.o.m |
| Jan.15 |
- - No Class Monday - - |
velocity vavg = Δr/Δt cf speed |v| = ℓ/Δt
v addition & relative v ; xt diagrams
race scenarios: subscript adjectives |
momentum p = Σ mv = mtotvc.o.m.
collisions ; pbefore + Δp = pafter
coefficient of restitution e = |vf/vi| |
| Jan.22 |
Quiz 1
subject Impulse J = ΣFΔt ⇒ Δpobject
Δm=0 → ΣF = m Δv/Δt = ma |
constant F scenarios: vt diagrams
vavg = ½(vmax+vmin)
race scenarios ; xt diagrams |
contact F ⇐ PA ~ −ks ↔ Fto A = −Fby A pairs
rope F ⇐ PA ~ TL̂
friction F ~ −|μFN| ŝ |
| Jan.29 |
mass density ρm = m/V
buoyant Ffluid = −ρgVdisplaced
pressure P = F/A = ρg·d |
Quiz 2
2-d Force sums
2-d collisions |
projectiles to wall
projectiles to ceiling or floor
circular a·r = −v·v (= −r²ω²) |
| Feb.05 |
banked turn
scale reading vs latitude
spin simulating gravity |
Universal gravity g = GMsource/r²
planet orbit speed
orbit Time period |
Quiz 3
torque τ = r×F & balance
torque changes rotation |
| Feb.12 |
2nd mass moment (rotational inertia I = Σ mr²
angular momentum L = I·ω = Σ r×p
rotational collisions |
shape change: Ibeforeωbefore = Iafterωafter
ΣτΔt ⇐ ΔL
1-d examples |
Quiz 4
top spin axis precession
Earth-Moon spin precessions |
| Feb.19 |
. . .
Exam 1
. . . |
physical Work W = F·Δx
W ⇒ ΔE (Energy)
Kinetic KE = ½p·v (½mv²=p²/2m) |
gravity potential Energy PEg ~ mgh
spring PEs = ½ks²
PEx diagrams ; Etotal & turning points |
| Feb.26 |
negative Work by friction ⇒ ΔE
𝒫 = ΔE / Δt ; $ ~ ΔE = 𝒫Δt
car power 𝒫 = F·v |
planet gravity PE wells
escape "velocity"
orbits: circular cf. elliptical |
Quiz 5
spin KE = ½Iω²
Work done changing shape |
| Mar.05 |
stable cf. unstable Fx & PEx diagrams
oscillation time period / frequency
ω = √k/m |
oscillation xt , vt , at graphs & A , Aω , Aω²
oscillator E = ½kA² = ½m(Aω)²
trig function review |
simple pendulum approx.
physical pendulum
large-angle pendulum ; resonance |
| Mar.12 |
Quiz 6
oscillation components & mode-switching
coupled oscillators ; "normal" modes |
mechanical wave-pulse characters
wave-on-string propagation speed
wave length λ & Huygens' construction |
deducing wave speed by v = λf
doppler Δλ or Δf
water wave breakers ; LastDrop ! |
| Mar.19 |
"Spring" Break |
no classes |
all week |
| Mar.26 |
reflections & echoes
reflection interference & standing waves
open & closed pipes ; chords |
Quiz 7
mass conservation Δm/Δt = −ρv·A
KE density ½ρv² |
gravity PE density ρgh
pressure as Potential Work density
Bernoulli's E-density conservation |
| Apr.02 |
...
Exam 2
. . . |
gas KEavg = #/2 kBT ... (# motions ; Kelvin)
sensed Energy ~ 3/2 N kBT
gas pressure Energy PV = N kBT |
confined ΔP & ΔT scenarios
sample's "heat capacity"
condensation & Van der Waals' corrections |
| Apr.09 |
heating Q = ΔE/Δt ⇐ conduction: kth δT / δx
(processes) convection: Q ~ cηβρg·AδT²
. . . radiation: Q = εσAT4 |
solids Thermal Energy = mcT (Kelvin!)
melting E ; rotation E + ΔPE + PΔV
liquid Q ≈ ΔE = mcΔT |
vaporizing & surface Tension
thermal expansion solid: ΔL/L = αΔT (V ~ β)
mechanical thermometers or phase Δ expansion |
| Apr.16 |
Quiz 8
Work done = PΔV ; PV diagram
isobar cf. isotherm cf. adiabat scenarios |
conserved material ⇒ cycles on PV
thermal engine efficiency
Carnot's efficiency maximum |
refrigerator performance "coefficient"
Heat pump "efficiency"
Entropy change ΔS = Q/T (melting ice) |
| Apr.23 |
Entropy in Carnot cycle processes
statistical Entropy definition
entropy in biological processes |
Quiz 9
?? surface Tension & capillary height ?? ?? process physical Action EΔt ?? |
??
concept post-test
Last Full Withdraw |
| Apr.30 |
. . .
Final Exam (3)
→ 10 ! |
make-ups (& late-Wednesday finals) |
Spring semester ends |
