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Guitar Strings and Crumbling Bridges

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1 Guitar Strings and Crumbling Bridges
5.1.4 Resonance Guitar Strings and Crumbling Bridges

2 Can you shatter glass with your voice Video

3 Phenomenon #4 – Resonance
All mediums have a NATURAL FREQUENCY that corresponds to their atomic structure. Exciting this frequency causes large AMPLITUDE vibrations in the medium If the frequency is excited with enough ENERGY the medium may become damaged or even shatter. If two materials have the same (or close) natural frequencies then vibrations may be passed from one material into the other.

4 https://archive.org/details/SF121
Tacoma Bridge Video

5 Sound Facts Sound is transmitted as a LONGITUDINAL wave.
Sound is a mechanical wave so it requires A MEDIUM TO BE TRANSMITTED. Speed of sound in… air: 331 m/s sea water: 1435 m/s steel: 5100 m/s Amplitude of a sound wave is synonymous with VOLUME, LOUDNESS, INTENSITY

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