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The displacement of a body mass 2 kg var...

The displacement of a body mass 2 kg varies with time t as `s = t^(2)+2t`, where s is in metre and t is in second. The work done by all the forces acting on the body during the time interval t = 2 s to t = 4 s is

A

36 J

B

64 J

C

100 J

D

120 J

Text Solution

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The correct Answer is:
B
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