find the speed of sound in air at 30 degrees celsius.
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how many meters per second is the speed of sound
The speed of sound in air depends on temperature according to the approximate expression
Where Tc is the celsius temperature. In dry air, the temperature decreases about 1-degree Celsius for every 150-m rise in altitude. Assume this change is constant up to an altitude of 9000m. What interval is required for the sound from an aeroplane flying at 9000 m to reach the ground on a day when the ground temperature is 30 degrees celsius.
A bat emits a sound with a frequency of 91 kHz. The air temperature is 35 degrees celsius. What is the wavelength of the sound? Show your process.