chapter7_review - Chapter 7 Waves Waves no individual...

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Chapter 7 Waves Waves -- no individual molecule travels very far, but way to transport energy long distances without transporting matter TYPE PARTICLE MOVEMENT EXAMPLES ADDITIONAL INFORMATION Longitudinal or compressional Same direction as wave Sound speed of sound in air = 1 mile/5 seconds speed of sound is faster in solids and liquids Shear or transverse Perpendicular to waveLight Both transverse and longitudinal In a circle Water deep water: longer wavelength water waves travel faster than shorter wavelengths one shallow water: speed only depends on depth of water
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Tsunamis (often generated by underwater earthquakes/landslides) usually high velocity, long wavelength in deep ocean, low amplitude…but slowed down as they approach land, where depth decreases and amplitude increases and there is a huge rise are fast traveling, but slow to rise and fall o like a rapid tide you are able to outrun a tsunami Waves tend to change their direction by bending their motion towards the side that has a slower wave velocity. This is true for all waves (Hyugen’s Principle) In a “normal atmosphere,” COLD WARM GROUND The sound travels upwards, towards the colder air. It creates a shadow zone because the
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