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An object of mass 2 kg at rest at origin...

An object of mass 2 kg at rest at origin starts moving under the action of a force
`vec(F)=(3t^(2)hat(i)+4that(j))N` The velocity of the object at t = 2 s will be -

A

`(3hati+2hatj)m//s`

B

`(2hati+4hatj)m//s`

C

`(4hati+4hatj)m//s`

D

`(3hati-4hatj)m//s`

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