Harmonic Motion and Wave Links

SOUND LINKS:

Decibels: Site 1; Site 2; Site 3 (extensive dB list)

Beats: Site 1 - Change the numbers in the equation then hit "new".

Beats: Site 1 (no sound) ; Site 2 (with sound) ; Site 3 (no sound) ;

Doppler Effect: Site 1; Site 2 | Video of fire truck | Videos of Doppler Effect in Ripple Tank | Capital Doppler Effect Explanation from a Young Brit (Brilliant!) | Doppler Effect Trumpet in Car |

How a Speaker Works (Applet)

Timbre: Synthesizer - Allows you to add harmonics to see how it change timbre. | Another one | Graphs of different instruments playing the same note. |

Singing Road - helps you understand how vibrations become sound.

Harmonics videos:
Harmonics on metal plates (like we did in class [where the sand stays put are node]).

Reuben's Tube (harmonics in burning gas)

Mr. Murray's Demos:

Interference of Sound due to Diffraction | Harmonic in a Closed Pipe with Styrofoam Balls| Harmonic in an Open Pipe with Styrofoam Balls | Harmonic In a Close Pipe with Water and a Tuning Fork | Same Harmonic with Different Length Pipe | Changing String Harmonics With Mass |
Slinky Demo | Doppler Effect with Trumpets |

Reflection, Refraction, and Diffraction

Waves and wave properties explained

Gummy Bear Wave Machine. Even shows how wave changes at a boundary.

Wave Virtual Labs and Simulations - many links to other sites about waves.

Pendulums (*includes energy graphs): Applet 1*; Applet 2*; Applet 3

Mass-Spring Pendulum

More Good Wave Simulations - a whole page of links. The ones I have visited are REALLY good!

Wave Simulations - The link goes to a longitudinal wave page, but on the left are MANY good links to harmonics and other wave simulations.

Cool Waves Video made with pendulums

Surendranath's Applets- LOTS OF APPLETS - Some will make sense to you...some, not.

Use the Menu at the top, then go to:
Oscillations: Forced Oscillations
Waves: Harmonics, Transverse Waves, etc.

Standing Waves, Beats, Superposition (interference)

Galloping Gertie (Movie) - Tacoma Narrows Bridge Collapses due to resonance.