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Oscillations and Mechanical Waves
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Oscillations and Mechanical Waves
Simple Harmonic Motion
Intuition about simple harmonic oscillators
Definition of amplitude and period
Equation for simple harmonic oscillators
Period dependence for mass on spring
Phase constant
Pendulums
Simple Harmonic Motion (with calculus)
Introduction to harmonic motion
Harmonic motion part 2 (calculus)
Harmonic motion part 3 (no calculus)
Introduction to Mechanical Waves
Introduction to waves
Properties of periodic waves
The equation of a wave
Sound
Production of sound
Sound Properties: Amplitude, period, frequency, wavelength
Speed of Sound
Relative speed of sound in solids, liquids, and gases
Mach numbers
Decibel Scale
Why do sounds get softer?
Ultrasound medical imaging
The Doppler Effect
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
Wave interference
Constructive and Destructive interference
Standing waves on strings
Standing waves in open tubes
Standing waves in closed tubes
Beat frequency
Derivation of beat frequency formula
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