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If s=2t^(3)-6t^(2)+a t+5 is the distance...

If `s=2t^(3)-6t^(2)+a t+5` is the distance travelled by a particle at time t and if the velocity is -3 when its acceleration is zero, then the value of a is

A

-3

B

3

C

4

D

-4

Text Solution

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The correct Answer is:
B
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