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Oscillations and mechanical waves

Lessons

Simple harmonic motion

Simple harmonic motion (with calculus)

Introduction to mechanical waves

Sound

The Doppler effect

Wave interference

Lessons

Simple harmonic motion Simple harmonic motion (with calculus)Introduction to mechanical waves Sound The Doppler effect Wave interference

Simple harmonic motion

Learn

Intuition about simple harmonic oscillators

Definition of Amplitude and Period

Equation for simple harmonic oscillators

Period dependence for mass on spring

Simple harmonic motion (with calculus)

Learn

Introduction to harmonic motion

Harmonic motion part 2 (calculus)

Harmonic motion part 3 (no calculus)

Introduction to mechanical waves

Learn

Introduction to waves

Properties of periodic waves

The equation of a wave

Sound

Learn

Production of sound

Sound Properties (Amplitude, Period, Frequency, Wavelength)

Relative speed of sound in solids, liquids, and gases

Why do sounds get softer?

Ultrasound medical imaging

The Doppler effect

Learn

Doppler effect introduction

Doppler effect formula for observed frequency

Doppler effect formula when source is moving away

When the source and the wave move at the same velocity

Doppler effect for a moving observer

Doppler effect: reflection off a moving object

Wave interference

Learn

Wave interference

Constructive and Destructive interference

Standing waves on strings

Standing waves in open tubes

Standing waves in closed tubes

Derivation of beat frequency formula