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The equation of motion of a particle mov...

The equation of motion of a particle moving along a straight line is `s=2t^(3)-9t^(2)+12t`, where the units of `s` and `t` are centrimetre and second. The acceleration of the particle will be zero after

A

`3/2` sec

B

`2/3` sec

C

`1/2` sec

D

Never

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The correct Answer is:
A
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