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The speed of sound in water was first measured by Daniel Colladon, a Swiss physicist, in 1826. Speed of Sound in Earth and Feet per second are the units to measure Speed, whereġ Speed of Sound in Earth = 16,404.1995 Feet per secondĮnter speed or velocity and click 'Convert' A more recent value for the speed of sound, 331.45 metres per second (1,087.4 feet per second), was obtained in 1942 it was amended in 1986 to 331.29 metres per second at 0° C (1,086.9 feet per second at 32° F). Speed of Sound in Earth to Feet per secondĬonvert Speed or Velocity from Speed of Sound in Earth to Feet per second or to different units such as Kmph, Mph, Knot, Mach, Benz, Yard per hour, Foot per second, Meter per second, Megameter per hour, Speed of Light, Speed of Sound and 75 different Metric, English, Imperial and Indian Speed (or Velocity) measurement units
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