impedance and empericism

Marc Damashek mdamashek@netscape.net
15 Jun 00 14:50:14 EDT


Kristinn Leifsson <istuner@islandia.is> wrote:
> Since there has been as very vivid emergence of people reasonably well 
> versed in the nature of things on this list, I would like to ask you about 
> the possibility of contesting the following quote.
> 
> 
> 
> 
> ><<"Sound travels more slowly in gases than in liquids, and more
> >slowly in liquids than in solids.*">>
> >
> 
> 
> Would sound travel faster in water than in ice?  Water being more dense 
> than ice, even though water is, as many of you know, liquid?
> 
> 
> Just curious,
> 
> Kristinn 


As usual, we have to say "In general..."

In general, the statement is true for the liquid and solid forms of the same
substance. There's no simple way to predict predict precise values for real
solids and liquids from fundamental principles. On top of that, ice and water
are peculiar in many ways. Ballpark figures for the two are about 3800 m/s for
ice, and 4800 m/s for water, both subject to temperature variability, etc.
This sort of information is out on the Web.

Marc Damashek
Hampstead, MD

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