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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 `s = 3t^(3)+7t^(2)+14t + 5`. The acceleration of the particle at `t = 1s` is

A

`18m//s^(2)`

B

`32m//s^(2)`

C

`29m//s^(2)`

D

`24m//s^(2)`

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The correct Answer is:
B
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