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A particle moves according to the law s=...

A particle moves according to the law `s= t^3-6t^2+9t +5`. The displacement of the particle at the time when its acceleration is zero is........ A) 9 B) -7 C) 7 D) 0

A

9

B

-7

C

7

D

0

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CHETANA PUBLICATION-Applications of Derivatives-Exercise
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