The distance s moved by a particle in ti...

The distance s moved by a particle in time t is given by `s=t^(3)-6t^(2)+6t+8`. When the acceleration is zero, the velocity is ………..

A

5 cm/sec

B

2 cm/sec

C

6 cm/sec

D

`-6` cm/sec

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The correct Answer is:

D

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