Propagation of sound

Doppler effect

λ_r

λ_s

m/s

v_s

m/s

c	m/s

v_r

m/s

1. Define values of all variables, besides sought quantity
2. Change units if necessary
3. Click "Calculate"

		variables: λ_r - wave length of sound emitted received by receiver λ_s - wave length of sound emitted by source c - velocity of sound v_s - motion velocity of source v_r - motion velocity of receiver