Propagation of sound

Doppler effect

f_r

		x
Hz

f_s

		x
Hz

m/s

v_r

m/s

c	m/s

v_s

m/s

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

		variables: f_r - frequency taken by receiver f_s - frequency of emitting c - velocity of sound v_r - motion velocity of receiver v_s - motion velocity of source