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Question

A body starts from rest at time t=0, the acceleration time graph is shown in the figure. The maximum velocity attained by the body will be
43603.PNG
  1. 650 m/s
  2. 110 m/s
  3. 55 m/s
  4. 550 m/s

A
650 m/s
B
110 m/s
C
550 m/s
D
55 m/s
Solution
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Area under acceleration time graph is change in velocity. Direction of velocity is not changing anywhere from 0 to 10 seconds as the acceleration is positive. Since, the body starts from rest the maximum velocity attained is the area under the curve = 55 m/s.

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