What is the speed of sound.
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Speed of sound is 340.29m/s at sea level.
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he speed of sound is the distance traveled per unit time by a sound wave propagating through an elastic medium. In dry air at 20 °C (68 °F), the speed of sound is 343.2 metres per second (1,126 ft/s;1,236 km/h; 768 mph; 667 kn), or a kilometre in 2.914 s or a mile in 4.689 s.
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