Asked by Charles
The air temperature on a certain day is 86 degrees F
A)Convert to Celsius?
B) Calculate the sound of speed in air?
C)When a 653Hz tornado siren is turned on, the sound takes 2.3s to reach an observer. How far is the observer from the main siren, and what is the wavelength of sound produced?
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A)Convert to Celsius?
B) Calculate the sound of speed in air?
C)When a 653Hz tornado siren is turned on, the sound takes 2.3s to reach an observer. How far is the observer from the main siren, and what is the wavelength of sound produced?
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Answers
Answered by
Damon
c = (5/9)(F-32)
c = (5/9)(86-32) = 30 deg C
I do not know what you are using, perhaps:
V = 331.4 + .6 C
V = 331.4 + .6(30) = 349.4 m/s
d = 349.4 * 2.3 = 804 meters
period = 1/653
lambda = 349.4 * 1/653 = .535 meter
c = (5/9)(86-32) = 30 deg C
I do not know what you are using, perhaps:
V = 331.4 + .6 C
V = 331.4 + .6(30) = 349.4 m/s
d = 349.4 * 2.3 = 804 meters
period = 1/653
lambda = 349.4 * 1/653 = .535 meter
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