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Question 2
(a) Write your understanding about forced oscillation and resonance conditions. (2)
(b) An object with a mass of 0.2 kg attached to a spring exhibits simple harmonic motion according to the equation
x = 0.04 cos(20nt + 7/4). Find the velocity of the particle, its acceleration and the acting force, as well as the amplitudes of the
respective quantities. (3)
x= 0
x= 0

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