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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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