# How fast does sound travel in air and in water?

Asked by chiplmprincessa (70) February 18th, 2010

How fast does sound travel in air? How fast does sound travel in water?

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Response moderated

Air = 1,125 ft/s

Water = 4,748 ft/s

Depending or temperature and density.

CMaz (26238)

2.0811×10^6 furlongs/fortnight in air (at 25C—it varies by temperature!)
9.32444×10^6 furlongs/fortnight for some value of water (at 25C)

grumpyfish (6618)

yeaaa not really sure why my answer was removed, this is clearly a homework question….

Sound doesn’t travel. Only vibrational waves travel. It doesn’t become sound until your eardrum transduces the particle wave into an electro-chemical impulse. Then, and only then, do you have sound.

When I fart in the bath I see bubbles & there’s a delay on the sound. Just sayin.

ucme (46217)

What @RealEyesRealizeRealLies is saying is that, if a tree falls and in the forest and no one is around to hear it, then no, it doesn’t make a sound.

robmandu (21252)

@robmandu

Corrr-ect-amundo!

Sound goes 4.3 times faster in water. The speed of sound in air is 343 meters per second (1,125 ft/s).

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