If x, v and a denote the displacement, the velocity and the acceleration of a particle executing simple harmonic motion of time period T, then, which of the following does not change with time?

(a) a2T2 + 4π2v2 

(b) aT/x

(c) aT + 2πv 

(d) aT/v

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1 Answers

(b) : For a simple harmonic motion,
acceleration, a = –ω2x where ω is a constant = 2π/T.

a = - 4π2/T2. x ⇒​ aT/x = - 4​π2/T.

The period of oscillation T is a constant.
∴ aT/x is a constant.​

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