Question

A 5.4 Hz continuous wave travels on a Slinky. If the wavelength is 0.67 m, what is the speed of waves on the Slinky (in m/s)?

Answer 1

The speed of waves is related with frequency and wavelength by equation

$$v=f\lambda=5.4\:\rm Hz\times 0.67\:\rm m=3.6\:\rm m/s.$$