A periodic longitudinal wave that has a frequency...

Question

A periodic longitudinal wave that has a frequency of 15.4 Hz travels along a coil spring. If the distance between successive compression is 0.435 m, what is the speed of the wave?

___m/s

Answer 1

L = .87

f = 15.4

v = L x f

v = 0.87 m x 15.4 Hz = 13.39800  m/s