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Inmate Central Inmate Central, where civil and family-friendly discourse about off-audio topics (other than religion and politics) is welcome. |
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In Reply to: RE: Refraction posted by Inmate51 on April 28, 2016 at 09:34:01:
The document you picture doesnt' take account of air pressure.
How much difference in the speed of sound does altitude make, when correcting for air temp?
I don't know, if the difference is say, sea level to 10,000 feet.
In a perfect vacuum, sound doesn't transmit at all while in a very dense substance like steel, sound travels very quickly compared to AIR.
According to a quick Google, Speed of sound in water is OVER 4x that in air and in Steel, about 15x that in air.
I'd like to see a scatter plot of Density V Speed of Sound in various materials.
It might be added, that SUBMARINES use the properties of sound at different temperatures to HIDE. If you are on ONE SIDE of a large Temp Difference, the sound will bounce off the interface and you are essentially Invisible to the guy on the other side. It's called a ThermoCline.
Unless you make one HECK of a racket, maybe, like playing the Subs BOSE system too loud!
Too much is never enough
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- RE: Refraction - pictureguy 10:36:11 04/28/16 (0)
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