The displacement of a particle executing $SHM$ is given by $y=0.25 \sin 200 t$ $cm$. The maximum speed of the particle is $.........cm s^{-1}$
AIIMS 2016, Easy
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(c)
Given : $y=0.25 \sin 200 t$
Speed $=\frac{d y}{d t}=0.25 \times 200 \cos 200 t$
Max speed $=0.25 \times 200=50\,cm\,s ^{-1}$
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