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A pipe of length 0.819 m is open at both ends. When the wind blows, the...

A pipe of length 0.819 m is open at both ends. When the wind blows, the pipe resonates. If the air's temperature is -2.77.0°C, what is the frequency (in Hz) of the second overtone of this pipe? How would the frequency you found in the previous question change if the temperature of the air was raised by several degrees?

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