View Single Post
Nov15-05, 02:34 PM
Sci Advisor
PF Gold
Gokul43201's Avatar
P: 11,155
The speed of sound goes like [itex]c = \sqrt{K/\rho} [/itex]. It is inversely proportional to the density but increases with the elastic/bulk modulus of the material. Sound is not carried by electrons in that post you quoted is not correct.