1.

Speed of sound in air as calculated by scientists is :-plz plzplz give me answer fast i will mark him/her brainlest (and sorry for bad language)

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ANSWER:

At 20 °C (68 °F), the SPEED of sound in air is about 343 METRES per second (1,235 km/h; 1,125 ft/s; 767 mph; 667 kn), or a KILOMETRE in 2.9 s or a MILE in 4.7 s. It depends strongly on temperature as well as the medium through which a sound wave is propagating.



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