A succession of 2-m long water waves on a lake goes by a piece of floating cork that bobs up and down one complete cycle each second.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 its frequency by its wavelength. Here, the wavelength is 2 meters and the frequency is 1 cycle per second (1 Hz), so the speed is 2 m/s.

A Succession of 2-M Long Water Waves on a Lake