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Q.

The equation for the displacement of a particle executing SHM is y=5sin⁡(2πt)cm. Find(i) velocity at 3cm from the mean position(ii) acceleration at 0.5s after leaving the mean position

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a

8πcms−1,0cms−2

b

6πcms−1,20π2cms−2

c

4πcms−1,0cms−2

d

2πcms−1,20π2cms−2

answer is A.

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Detailed Solution

v=ωA2−x2, a=ω2x=ω2Asinωt
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