Instructional Videos

• Period, Frequency, Wavelength, and Wave Speed (13 min)

Bridge Resonance 

• People on a suspension bridge
• A bridge over the Volga River in Russia
• Tacoma Narrows Bridge
  • Video: Tacoma Narrows Bridge Collapse (3 min)- original
  • Video: Tacoma Narrows Bridge collapse – Washington State Historical Society
  • Article: “The Fall of Galloping Gertie” –  by Alan Bellows

Animations

•  Wave on a string:

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• Transverse wave:
• Longitudinal wave: This animation shows a longitudinal wave and the motions of the individual particles that make up the wave. Notice that each particle is undergoing simple harmonic motion.
• Interference
  • Simulation of wave pulses interfering: Wavemaker

• Sound

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• Wave Interference

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