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Short answer- it will travel through gases fairly slowly, through liquids a lot faster and through solids very fast.

Longer answer- It depends on temperature and molecular weight (among other things) of the gas, the density, temperature, pressure etc... of the liquid and the density and internal structure of the solid.


In general, the more dense the medium (liquid, solid or gas that it's travelling through) the quicker it will go. For comparison, sound travels through the air (a gas) at around 765mph. It will pass through water (a liquid) at around 3322mph but it will go through iron (a solid) at a staggering 11464mph! This is why putting your ear to a train track allows you to tell if a train is on the way far in advance of you being able to "hear" it through the air.


Making things more complicated is the fact that different kinds of sound waves can travel through the same solid at different speeds, this is something that scientists studying earthquakes have to worry about.

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14y ago
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Q: How fast will sound travel through a liquid solid and a gas?
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