Physics

Problem

A wave on a stretched cord is described by

y(x,t)=3\sin(0.5x+200t)

(SI units). Determine the magnitude of the speed at which the wave propagates along the cord. a)

200\,\text{m s}^{-1}

100\,\text{m s}^{-1}

400\,\text{m s}^{-1}

64\,\text{m s}^{-1}