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Physics 18 Online
OpenStudy (anonymous):

What is the speed of sound?

OpenStudy (michele_laino):

the speed of sound is about 331 m/sec, it depends on the temperature of the medium in which that sound propagates itself

OpenStudy (anonymous):

The speed of sound depends more on the actual medium that is propagating the sound. Actually the speed of sound varies relatively slowly with temperature. At 20 deg C the speed of sound is 344 m/sec but the speed of sound in water is 1461 m/sec the speed of sound in Aluminum is 5104 m/sec !!!

OpenStudy (anonymous):

I think it also varies with pressure.

OpenStudy (anonymous):

Actually it is independent of pressure for an ideal gas because at constant temperature pressure/density is a constant.

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