A boat anchor is rocked by waves whose consecutive crests are `100 m` apart. If the wave speed of the moving crests is `20 m//s`, calculate the frequency at which the boat rocks.

Answer

0.2 Hz

Explanation

Here, `lamda = 100 m, v = 20 m//s, v = (v)/(lamda) = (20 m//s)/(100 m) = 0.2 Hz`.