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Sound generation
Vibration of air column in close pipe
vibration frequency
f =
Hz
x
Hz
velocity of sound in the air
c =
m/s
x
m/s
km/h
cm/s
ft/s
kn
length of vibrating air column
l
=
m
x
Å
nm
μm
mm
cm
dm
m
km
n mile
in
ft
yd
1. Define values of all variables, besides sought quantity
2. Change units if necessary
3. Click "Calculate"