Asked by omar
A marine siren consists of a cylinder 72 cm in length closed at one end.for sound through air at 336 m/s. find the lowest frequency of the siren
Answers
Answered by
Damon
.72 meters = (1/4) wavelength
but wavelength = c T = c/f
so
4(.72) = 336/f
f = 336/2.88
f = 117 Hz
see: http://www.physicsclassroom.com/class/sound/Lesson-5/Closed-End-Air-Columns
but wavelength = c T = c/f
so
4(.72) = 336/f
f = 336/2.88
f = 117 Hz
see: http://www.physicsclassroom.com/class/sound/Lesson-5/Closed-End-Air-Columns
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