The oscillation of a body on a smooth horizontal surface is represe...

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The oscillation of a body on a smooth horizontal surface is represented by the equation, \( X=A \cos (\omega t)= \)
\( \mathrm{P} \) where \( X= \) displacement at time \( t \)

W
\( \omega= \) frequency of oscillation
Which one of the following graphs shows correctly the variation \( a \) with \( t \)
[CBSE PMT 2014]
(a)
(b)
(c)
(id)
Here, \( a= \) acceleration at time \( t, T= \) time period
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