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Waves
Ch.10
| Question | Answer |
|---|---|
| waves are formed by | air and water |
| air and water have different | densitys |
| wind waves are | waves by the surface caused by wind blowing across the water |
| Tsunami Waves are caused by | displacement (land slide, earthquake, volcano) |
| Energy is transported in | waves |
| wave energy travels ahead but water | does not |
| gravitational potential energy | is stored inside an object when it is raised above its resting height |
| Heat is | the size of wave |
| Wave Length is | the distance between adjacent crests |
| Cycle is when | one repetition of wave pattern |
| Period is | The time it takes for adjacent crests to pass one pt. in space |
| Water polecules have an | orbital motion |
| what is C = L/T | Speed(meters/seconds) = wavelength(meters)/ period(seconds) |
| Greater Speed, Greater Fetch and Greater wind duration = | LARGER WAVE(height) |
| Capillary waves are | tiny waves and have the wavelengths 1.73cm or less |
| Speed Depends on wavelength in | Deep water waves only |
| Shallow Water Waves depends on | DEPTH only |
| Longer Wavelengths travel | faster |
| How do you get REALLY BIG WAVES | interference- 2 or more waves into single, thus resulting one |
| Stable waves have a height of | 1/7 max. (wavelength) |
| Most wind waves have periods of | .5- 20s |
| Most wind waves have wavelengths of | 0.4- and 500m |
| Most wind waves speeds are | 0.8- and 25 m/s |
| Longer wavelengths consist of faster travel and | longer periods |
| Destructive Interference | is when waves cancel one another out as one moves up and the other moves down |
| Constructive Interference | is when waves add to one another thus both are trying to move up |
| Rogue waves are rare and are large waves due to | Constructive interfernce |
| Seiches are shallow water consisting | lakes, harbors, glass of water |
| Tsunami are always in shallow water waves, also Tsunamis are | seismic sea waves which triggers earthquakes which then has huge volumes of ocean water that shifts the sea floor to slide vertically |
| Waves transfer energy not | mass |
| Wind and Ocean floor movement are forces that generate | waves |
| Deep water wave speed depends on wavelength | (C=1.25/L) |
| Shallow water wave speed depends on water depth | (C=3.1/ d) |
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