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In the figure given, the position-time g...

In the figure given, the position-time graph of a particle of mass 0.1 kg is shown
. The impulse at `t=2s` is :

A

`0.2 kg m s^(-1)`

B

`-0.2 kg m s^(-1)`

C

`0.1 kg m s^(-1)`

D

`-0.4 kg m s^(-1)`

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