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Acceleration of a particle at any time t...

Acceleration of a particle at any time t is given by `bar(a)=(2 ti + 3 t^(2)j)m//s^(2) vec(AB)`. If initially the particle is at rest, the velocity of the particle at `t=2s` is

A

`(4i+8j)m//s`

B

`(2i+6j)m//s`

C

`(8i+4j)m//s`

D

`(6i+2j)m//s`

Text Solution

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The correct Answer is:
A
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