Question: 2-A) A harmonic displacement is x(t) = 2.35 sin(3.7t-7/7) mm, where t is in seconds and the phase angle in radians. Find: (a) the

2-A) A harmonic displacement is x(t) = 2.35 sin(3.7t-7/7) mm, where t is in seconds and the phase angle in radians. Find: (a) the frequency (in rad/sec and Hz) and the period of the motion (in sec) (b) the maximum displacement, velocity, and acceleration (c) the displacement, velocity, and acceleration at t=0 s (d) the displacement, velocity, and acceleration at t = 0.25 s

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