How fast is a wave with a wavelength of 0.4 m and a frequency of 1000 hz travelling?
a. 0 m/s
b. 0.04 m/s
c. 400 m/s
d. 2500 m/s

Respuesta :

C.) Speed of wave = frequency x wavelength = 1000 x 0.4 = 400 m/s. Hope this helps!