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The position vector of the particle is v...

The position vector of the particle is `vecr=3t^2 hati+5t hatj+9hatk`. What is the acceleration of the particle?

A

`6 ms^(-2) " along " hati`

B

`5 ms^(-2)" along "hatj`

C

`9 ms^(-2)" along "hatk`

D

zero

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The correct Answer is:
B
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SURA PUBLICATION-GOVT. MODEL QUESTION PAPER - 1-PART - IV
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