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The acceleration - time graph for a part...

The acceleration - time graph for a particle moving along x - axis is shown in figure, If the initial velocity of particle is `-5m//s`, the velocity at t = 8 s is

A

`+15m//s`

B

`+20m//s`

C

`-15m//s`

D

`-20m//s`

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The correct Answer is:
A
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