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The equation of a progressive wave is `y=7sin(4t-0.02x)`, where `x` and `y` are in cm time in second. The maximum velocity of a particle is……………

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The equation of a progressive wave is `y=7sin(4t-0.02x)`, where `x` and `y` are in cm time in second. The maximum velocity of a particle is……………
A. `28cm//s`
B. `32cm//s`
C. `49cm//s`
D. `112cm//s`
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1 Answer

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Correct Answer - `(a)` `28cm//s`
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