Question

fine the period vibration particle has acceleration of 39cm/s^2 when displacement frim main position is 13cm assume motion in a simple harmonic motion​

Answer 1

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At the equilibrium position, the velocity is at its maximum and the acceleration (a) has fallen to zero. Simple harmonic motion is characterized by this changing acceleration that always is directed toward the equilibrium position and is proportional to the displacement from the equilibrium position.