Physics, 20.07.2019 21:30 Fangflora3
What is the speed of sound in air at 40°c? 355 m/s 307 m/s 331 m/s 239 m/s
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What is the speed of sound in air at 40°c? 355 m/s 307 m/s 331 m/s 239 m/s...
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