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The acceleration - time graph of a particle moving in a straight line is shown in the fig. The velocity of the particle at time t=0 is 2ms-1. The velocity after 2 seconds will be

a
4ms-1
b
6ms-1
c
2ms-1
d
8ms-1

detailed solution

Correct option is B

Vf - Vi =  [Area under the graph] = 1224=4Vf = 2+4 = 6m/s

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