Asked by Edwin

A vibrator attached and resting on the surface of water generates plane water waves and its propagation is found to take 50 seconds to reach a floating cork 65 cm away. If the cork subsequently vibrates with SHM of a period 3.8 seconds, determine the wavelength of the water waves produced by the vibrator.
Answered by bobpursley
you know the velocity of propagation: .65m/50sec

frequency*lambda=velocity