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Speed of Sound

At what tempe...

Question

At what temperature velocity of sound in air is 1.5 times the velocity at 7 degree celcius?

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Solution

For small temp. , Speed of sound = 332+0.61t where t is the temp.
At 7°C , v = 332+0.617 = 336.27m/s
Now , 336.271.5 = 504.405m/s
504.405 = 332 + 0.61t
t ≈ 282.7°C

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