A particle is moving in a straight line with initial velocity of 10 $\frac{m}{s}$ . Acceleration - Time graph of the particle is shown in the figure. Find velocity at t = 10 seconds.

25 m/s

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35 m/s

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45 m/s

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15 m/s

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Solution

The correct option is B
35 m/s

Area covered under graph = Change in velocity = 25 $\frac{m}{s}$
Final velocity = Initial + Change in velocity = 10 + 25 = 35 $\frac{m}{s}$ .

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