Physics

Problem

The displacement of a point on a string is modeled by

y(x,t)=0.020\sin(30\pi t+1.5\pi x)

, where

x

is in meters and

t

in seconds. What is the wavelength of the wave? a)

0.67\,\text{m}

0.75\,\text{m}

1.33\,\text{m}

4.19\,\text{m}