Physics

Physics

Problem

A wave travelling along the positive

x

–direction is represented by

y(x,t)=0.02\sin(5x-600\pi t),

where

x

is in metres and

t

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

6.0\times 10^{1}\,\text{m s}^{-1}

b)

7.5\times 10^{2}\,\text{m s}^{-1}

c)

3.8\times 10^{2}\,\text{m s}^{-1}

d)

1.2\times 10^{2}\,\text{m s}^{-1}

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