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A particle moves along a straight line s...

A particle moves along a straight line such that its displacement at any time t is given by `x =t^3-6t^2 +3t +4` in m. The velocity when acceleration is zero is

A

A. `0 lt t lt 3/2`

B

B. `0 lt t lt 1`

C

C. `0 lt t 2/3`

D

D. `1/2 lt t lt 1`

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The correct Answer is:
C
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