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

User Nathan Do
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Speed of sound is dependent on air temperature n goes up as it gets warm.

At 40°C, it is 355 m/s
User Khader M A
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The ans is A. 355 m/s as temperature is above stp
User Ian Chadwick
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