As a train of water waves goes by, a piece of cork floating on the water bobs up and down one complete cycle each second. The waves are 2 m long. What is the speed of the wave?
A)0.25 m/s
B)0.50 m/s
C)1.0 m/s
D)2 m/s
E)4 m/s

Question

Quizplus · Accepted Answer

The speed of a wave is calculated by multiplying the frequency by the wavelength. Here, the frequency is 1 cycle per second (1 Hz) and the wavelength is 2 meters. Therefore, the speed of the wave is 1 Hz * 2 m = 2 m/s.

As a Train of Water Waves Goes By, a Piece