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vovangra [49]
3 years ago
13

What is the speed of sound in air at 40°C? 355 m/s 307 m/s 331 m/s 239 m/s

Physics
2 answers:
Iteru [2.4K]3 years ago
5 0

the answer is 355 m/s

Vikki [24]3 years ago
3 0
<span>This is not a good answer, because some one t o forgot to tell us the important temperature, and the given atmospheric pressure "at sea level" makes really no sense. In SI units with dry air at 20°C (68°F), the speed of sound c is 343 meters per second (m/s).</span>
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