3A00.00 – OSCILLATIONS
3A10.10 – Simple Pendulum*
3A15.10 – Physical Pendulum*
3A20.00 – Springs and Oscillators
3A20.10 – Mass on a Spring*
3A40.00 – Simple Harmonic Motion
3A40.10 – Circular Motion vs. Mass on a Spring*
3A40.20 – Circular Motion vs Pendulum
3A50.00 – Damped Oscillators
3A60.00 – Driven Mechanical Resonance
3A60.10 – Tacoma Narrows Film/Video*
3A70.10 – Wilberfore Pendulum
3A70.20 – Coupled Pendula*
3A75.00 – Normal Modes
3A95.00 – Non-Linear Systems
 
3B00.00 – WAVE MOTION
3B10.00 – Transverse Pulses and Waves
3B10.10 – Pulse on a Rope*
3B10.30 – Shive / Bell Labs Wave Model*
3B20.00 – Longitudinal Pulses and Waves
3B20.10 – Hanging Slinky*
3B22.10 – Melde's Apparatus*
 
3B00.00 – COMPOUND WAVES
3B10.10 – Pulse on a Rope
3B25.00 – Wave Properties of Sound
3B30.30 – Bell in Vacuum
3B33.00 – Phase and Group Velocity
3B35.00 – Reflection and Refraction (Sound)
3B39.00 – Transfer of Energy in Waves
3B40.00 – Doppler Effect
3B40.10 – Doppler Buzzer*
3B45.00 – Shock Waves
3B50.00 – Interference and Diffraction
3B50.10 – Moire Pattern and Transparencies
3B50.40 – Moiré Pattern Transparencies*
3B55.00 – Interference AND Diffraction of Sound
3B55.10 – Speaker Bar*
3B55.40 – Trombone*
3B60.00 – Beats
3B60.10 – Beat Forks*
3B60.20 – Beats on Scope*
3B70.00 – Coupled Resonators
 
3C00.00 – ACOUSTICS
3C10.00 – The Ear
3C20.00 – Pitch
3C20.10 – Range of Hearing*
3C30.00 – Intensity and Attenuation
3C30.20 – DB Meter and Horn or Speaker*
3C40.00 – Architectural Acoustics
3C50.00 – Wave Analysis and Synthesis
3C55.00 – Music Perception and the Voice
 
3D00.00 – INSTRUMENTS
3D20.00 – Resonance in Strings
3D22.00 – Stringed Instruments
3D30.00 – Resonance Cavities
3D30.60 – Kundt's Tube*
3D30.70 – Hoot Tubes*
3D32.00 – Air Column Instruments
3D40.00 – Resonance in Plates, Bar, Solids
3D40.20 – Singing Rod*
3D40.30 – Chladni Plate*
3D40.55 – Shattering Goblet*
3D46.00 – Tuning Forks
3D50.00 – Electronic Instruments
 
3E00.00 – SOUND REPRODUCTION
3E10.00 – Audio System
3E30.00 – Microphones
3E40.00 – Amplifiers
3E60.00 – Recorders
3E80.00 – Digital System