Questions  

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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a
110 m/s
b
55 m/s
c
550 m/s
d
660 m/s
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detailed solution

Correct option is B

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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