A particle excutes SHM according to equation x = 10 (cm) cos[2πt2π],where t is in second. The magnitude of the velocity of the particle at t=61s will be

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A particle excutes SHM according to equation x = 10 (cm) cos[2

Question

A particle excutes SHM according to equation x = 10 (cm) cos $[2 π t \frac{π}{2}]$ ,where t is in second. The magnitude of the velocity of the particle at $t = \frac{1}{6} s$ will be

24.7 cm/s

20.5 cm/s

28.3 cm/s

31.4 cm/s

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A particle excutes SHM according to equation x = 10 (cm) cos

[2 π t \frac{π}{2}]

,where t is in second. The magnitude of the velocity of the particle at

t = \frac{1}{6} s

will be

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Question Text

A particle excutes SHM according to equation x = 10 (cm) cos

[2 π t \frac{π}{2}]

,where t is in second. The magnitude of the velocity of the particle at

t = \frac{1}{6} s

will be