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

A body starts with a velocity `(2hati+3hatj+11hatk)m//s` and moves with an acceleration `(5hati+5hatj-5hatk)m//s^(2)`. What is its velocity after `0.2 sec`?

A

`7hati+8hatj+6hatk`

B

`2hati-3hatj+11hatk`

C

`3hati-4hatj-10hatk`

D

`3hati+4hatj+10hatk`

Text Solution

Verified by Experts

The correct Answer is:
D

`hat(v=)hatu+hata.t`
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