Physics

Problem

For the wave described by

y=0.02\sin(5\pi x-100\pi t)

(SI units), calculate the speed of propagation. a)

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

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

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

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