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Free Fall

The accelerat...

Question

The acceleration time graph of a particle moving in a straight line is as shown in the figure. The velocity of the particle at time $t = 0$ is $2 m / s$ . The velocity after $2$ second will be

6 m / s

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4 m / s

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2 m / s

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8 m / s

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Solution

The correct option is B $4 m / s$
Velocity= area of acceleration - time graph
$\Rightarrow V e l o c i t y = \frac{1}{2} \times 2 \times 4 = 4 m / s$

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