1. (a) The displacement of a Simple Harmonic Motion (SHM) is y = Awcos(-wt – 8 – ). Find the velocity and draw the displacement and velocity graph. (b) The solution of spring mass dampers Damped Harmonic Motion equation can be represented as x = Xme tcos(@at + 4). Rewrite the case for (i) damping amplitude, (ii) damping frequency, and (iii) damping energy. (c) Draw the phase difference of two waves, when 8 = -.
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