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A particle in S H.M is described by the displacement function x(t)-Acos(at + θ) If the initial (t 0) position of the particleis 1 cm and its initial velocity is π cm/s The angular frequency of the particle is π s-1 , then it's amplitude is(A) 。,1 cm2 cm(C) 2 cmm(D) 25 cm |
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Answer» can u tell me how fives value came 3pie/4 and 7pie/4 |
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