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A sewing machine needle is oscillating simple harmonically in a vertical line of length `6cm` with a frequenct `30` per minute. The displacement of th

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A sewing machine needle is oscillating simple harmonically in a vertical line of length `6cm` with a frequenct `30` per minute. The displacement of the needle `1//6s` after crossing the mean position is
A. `3sqrt(3)cm`
B. `sqrt(3)cm`
C. `3cm`
D. `1.5 cm`
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1 Answer

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Correct Answer - D
`A = 3cm, T = 2sec, y = A sin omegat`
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