Physics

Problem

For the wave represented by

y(x,t)=0.01\sin(6x-120t)

(SI units), calculate the speed of the wave. a) 720\,\text{m s}^{-1} b) 0.05\,\text{m s}^{-1} c) 20\,\text{m s}^{-1} d) 126\,\text{m s}^{-1}