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☖ Forums → Discussion Forum → The Speed of Sound
The Speed of Sound
2007-04-05, 8:43 AM #1
Quick question:

I know sound travels at slightly different speeds through air depending on the temperature. Is this also true when sound travels through fluids?
"Harriet, sweet Harriet - hard-hearted harbinger of haggis."
2007-04-05, 8:46 AM #2
I believe sound travels more quickly through more dense substances... so since something would become more dense at a colder temperature, sound would travel faster.

I may be completely off base though. It's been a long time since Physics.
>>untie shoes
2007-04-05, 10:04 AM #3
Since gases and liquids are both fluids, I would imagine that such is true.
the idiot is the person who follows the idiot and your not following me your insulting me your following the path of a idiot so that makes you the idiot - LC Tusken
2007-04-05, 10:12 AM #4
I did say fluids. I meant liquids.

Antony, that's what I was thinking too, but didn't know for sure.
"Harriet, sweet Harriet - hard-hearted harbinger of haggis."
2007-04-05, 11:00 AM #5
Originally posted by Antony:
I believe sound travels more quickly through more dense substances... so since something would become more dense at a colder temperature, sound would travel faster.

I may be completely off base though. It's been a long time since Physics.


Kinda

Sound travels faster through STIFFER substances but slower through more DENSE substances. The general equation is

the speed = sqrt (C/rho)

where C is the coefficient of stiffness and rho is the density as always.

For more specific complicated stuff that I don't remember/understand anymore you prolly want to read the Wiki page

http://en.wikipedia.org/wiki/Speed_of_sound
一个大西瓜
2007-04-05, 11:05 AM #6
I think that's why sound travels through glass EXTREMELY fast.
D E A T H
2007-04-05, 11:08 AM #7
343 m/s @ 20C in air
free(jin);
tofu sucks
2007-04-05, 2:20 PM #8
I don't care for Coldplay.

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