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# Easy physics question?

Calculate the total distance a sound wave travels in air at STP in 3.00 seconds.

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- biire2uLv 71 decade agoFavorite Answer
Speed of sound at STP is different than speed of sound at 20C

(which is where the answer for wikipedia has 343 m/s)

Speed of sound at STP (0 C) is 331.4 m/s or 742.03 mi/hr

after 3 seconds it is 331.4 m/s = 994 .2 meters traveled

742.03 mph = 1087.3 ft/sec

in mph 3 * 742.03 mph = 3,262 feet traveled

- Steve TLv 41 decade ago
Speed of sound at sea level is about 343 m/s if I remember correctly from physics class.

343 m/s * 3.00 seconds = 1069 meters, or 1070 with sig figs.

- Anonymous1 decade ago
if it is so easy a question, why not do it urself

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