Question

What is the wavelength of the waves you create in a swimming pool if you splash your hand at a rate of 1.41 Hz and the waves propagate at a wave speed of 5.54 m/s?

Round your answer to 2 decimal places.

Do not forget the unit.

Answer 1

$$\lambda=v/f\\ =5.54/1.41=3.93\:\rm m$$