PHYSICS · Single correct · A Level · Physics · Waves · Waves
Problem
For the wave represented by y(x,t)=0.01sin(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}