Physics

Problem

The equation of a transverse wave on a string is

y(x,t)=0.5\sin(0.04x-120t)

, where

x

is in metres and

t

in seconds. Calculate the wavelength of the wave. a)

79\,\text{m}

157\,\text{m}

25\,\text{m}

0.25\,\text{m}