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The motion of a particle along a straigh...

The motion of a particle along a straight line is described by equation `x=8+12t-1^3`, where a is in meter and t is in second. The retardation of the particle when its velocity becomes zero, is

A

`24ms^-2`

B

zero

C

`6ms^-2`

D

`12ms^-2`

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The correct Answer is:
D
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