The Speed of Sound in Dry Air at 20ºC Is

question 21

Multiple Choice

The speed of sound in dry air at 20ºC is 343 m/s.The speed of sound in dry air at 80ºC is

• A)86.0 m/s
• B)172 m/s
• C)377 m/s
• D)686 m/s
• E)1.27 km/s

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