If a water wave has a wavelength of 1.0 m and a frequency of 2.0 Hz, how long will the wave take to travel 20. m from a boat to the shore?

1 Answer
May 4, 2018

color(blue)(10 " seconds")

Explanation:

"wave speed"="frequency( hertz)"xx"wavelength( metre)"

First find the wave speed:

"wave speed"=2*1=2ms^(-1)

Time taken to travel 20m.

"time"="distance"/"speed"

t=(20 m)/(2 m/s)

t=10s

It takes 10 seconds to travel 20 metres.