The oscillation of a body on a smooth horizontal surface is represented by the equation $x= Acos$$\omega t$
where $x=$ displacement at time $t$
$\omega =$ frequency of oscillation
Which one of the following graphs shows correctly the variation $a$ with $t$ ?
Here $a=$ acceleration at time $t$
$T=$ time period
- A
- B
- C
- D
AIPMT 2014, Medium
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