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Speed of sound doesn't depend on altitude (or air pressure), but on the square root of temperature expressed in Kelvin degrees (Kelvin = Celsius + 273), multiplied by a constant. With a temperature of 20 degrees Celsius (293 degrees Kelvin that is) the speed of sound is about 340 meters per second.

2006-09-04 01:28:00 · answer #1 · answered by fepp66 1 · 1 0

1225 km or 761 mph

2006-09-04 08:04:37 · answer #2 · answered by ghostsqaud 3 · 1 0

If you are under the water, you travel at 4,800 feet per second.

2006-09-04 08:06:09 · answer #3 · answered by GreenHornet 5 · 0 0

between 330 and 340 mps (meters per second)

2006-09-04 08:04:51 · answer #4 · answered by EZ 3 · 1 0

330 m/s

2006-09-04 09:41:23 · answer #5 · answered by yacks 1 · 0 0

Already answered.
Just to remember that salty water have different velocity than others.

2006-09-04 08:12:08 · answer #6 · answered by carlos_frohlich 5 · 0 0

340 m.s-1 (1225 km.h-1 or 761 mph)

2006-09-04 08:04:11 · answer #7 · answered by Felidae 5 · 1 0

Faster than the speed limit in my town
so STOP IT!!

2006-09-04 08:12:40 · answer #8 · answered by xpatgary 4 · 0 0

200 mph

2006-09-04 08:05:14 · answer #9 · answered by bronk200 2 · 0 1

300 000km per second

2006-09-04 08:12:23 · answer #10 · answered by george p 7 · 0 0

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