A particle starts from rest. a(m/s2) Its acceleration (a) versus time (r) is as shown in the Figure. The maximum speed of the particle will be:

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110 m/s

55 m/s

550 m/s

660 m/s

answer is B.

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Detailed Solution

Maximum velocity will be at t = 11s because up to this time acceleration remained positive.Velocity = Area of a-t graph 12×10×11=55m/s

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