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Propagation of sound
Doppler effect
wave length of sound emitted received by receiver
λ
r
=
m
x
Å
nm
μm
mm
cm
dm
m
km
n mile
in
ft
yd
wave length of sound emitted by source
λ
s
=
m
x
Å
nm
μm
mm
cm
dm
m
km
n mile
in
ft
yd
velocity of sound
c =
m/s
x
m/s
km/h
cm/s
ft/s
kn
motion velocity of source
v
s
=
m/s
x
m/s
km/h
cm/s
ft/s
kn
motion velocity of receiver
v
r
=
m/s
x
m/s
km/h
cm/s
ft/s
kn
1. Define values of all variables, besides sought quantity
2. Change units if necessary
3. Click "Calculate"
