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A simple harmonic motion of amplitude ha...

A simple harmonic motion of amplitude has a time period T.theacceleartion fo the oscillator when its displacement is half the amplitude is :

A

`(4 pi^2 A)/(T^2)`

B

`(-4 pi^2 A)/(T^2)`.

C

`(2 pi^2 A)/(T^2)`

D

`(-2 pi^2 A)/(T^2)`.

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JBD PUBLICATION-Oscillations and Waves-EXAMPLE
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