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Physics at Hamilton |
Exam #1
Mechanics
Inertia
Acceleration
Force
Gravity, Spring, Normal
Friction skating
Static, Dynamic anti-lock brakes
Newton’s 3rd Law rocket car
Momentum 2 ball collision, baseball bat
Impulse = F*t = Change in momentum airbags, padding
Angular Momentum
Angular Momentum Conservation gyroscope, seasons
Right hand rule
Energy
Kinetic, Gravity, Spring roller coaster, falling ball
Thermal energy bouncing, friction
Circular Motion car turn, Ferris wheel
Springs
Elasticity, energy bouncing balls, bats
Oscillations
Natural Frequency, Damping Tigger, drum, 2 sweet spots
Resonance, Driven Oscillation broken glass, bridge collapse,
Swing, clocks
Sound Musical Instruments, ear,
thunder, speaker
Exam #2
Fluids
Pressure bed of nails
Pressure vs. depth air pressure, water tower
Buoyancy floating bowling balls
Floating iceberg, Cartesian diver
Barometer drinking straw
Hydraulics car lift
Moving Fluids
Continuity hose nozzle, cars on highway
Airplane wing
Bernoulli aspirator, flying beach ball
Bernoulli, wake deflection Airplane wing
Turbulence tennis ball fuzz, golf ball
Air resistance low, med, high speed ball
Laminer, part Laminer, all turbulent baseball, stalling wing
Airfoil design Airplane wing
Thermal
Physics
Ideal Gas Law (PV=NkT) fire syringe, bike pump
Molecular picture
Temperature heat capacity of water
Phase transitions energy in melting, boiling
KE distribution evaporative cooling, vapor pressure
Thermal Transfer
Molecular picture
Conduction what feels cold, copper/stainless pots
Convection forced air heating, windbreaker
Buoyancy hot air balloon, convection cell
Sea breeze
Radiation temp of sun & lightbulb,
nightvision goggles
wavelength v temp, intensity v temp
emissivity greenhouse effect
heat capacity moderate temp near H2O, sea breeze
thermal expansion railroad tracks, thermostat
Refrigerator Freon, heat exchanger
4 cycle engine
4 strokes fuel injection, spark plug, fly wheel,
starter motor, turbo charger
Compression ratio knocking, octane
Valves camshaft, crankshaft
Other Diesel engine, 2 cycle engine
Refrigerator Freon, heat exchanger
Topics for the rest of the course
Electronics
Charges +/-, opposites attract, likes repel
Voltage, Electric field, conductors, insulators, force vs distance
Static Electricity, polarization static cling, sparks & lightning
Circuits flashlight, switch
House Wiring grounding, polarized plugs, ground
fault interrupter, fuse/circuit breaker
Power Distribution AC/DC, transformers
TV Electron Gun, steering, phosphor
Raster scan 525 lines, then return, 30 per sec
Color TV 3 guns
Light
wavelength spectrum Radio, microwave, infrared, ROY G-
BIV, ultraviolet, x-ray, gamma ray
Wavelength vs. size of object size<<wavelength, size>>wvelength
Blue sky, red sunset
White clouds, cell phone reception
Color vision simple RGB cone model (eg. yellow)
additive color, subtractive color
colored object/filters
Light at a surface
Reflection 1 way mirror, diamond sparkle
Refraction speed of light in glass, prism colors
total internal reflection fiber optic cable, diamond
Lenses
Converging lens parallel light focused to focal point
Image looks real
Eyes
Accommodation near point, range of lens
Near sighted, far sighted
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Physics at Hamilton |