Question

the source of a wave generates 25 crests and 25 troughs in 5.0s, and the distance between two successive crests in that wave is 1.5m. what is the speed of the waves.

Answer 1

Answer:

λ = 1.5 m.

s=25 * λ/2 = 25 * 1.5/2 = 18.75 m

v = s/t  = 18.75 /5  = 3.75 m/s