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A body starts with a velocity 2 hati +3...

A body starts with a velocity `2 hati +3hatj +11 hatk `m/s and moves with an acceleration `10 hati +10 hatj +10 hatk m//s^2`. What is its velocity after 0.2 seconds ?

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The correct Answer is:
`4hati+5hatj-9hatk`
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