The displacement of a particle is given by $y = 5 \times {10^{ - 4}}\sin (100t - 50x)$, where $x$ is in meter and $t$ in sec, find out the velocity of the wave .... $m/sec$
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(b)$v = \frac{{{\rm{Co - efficient of }}t}}{{{\rm{Co - efficient of }}x}}$$ = \frac{{100}}{{50}} = 2\,m/\sec $.
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