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JEE Main 16 Apr 2018 Shift 1 Solved Paper

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Question : 3

Total: 90

A body of mass m starts moving from rest along x-axis so that its velocity varies as υ=a√swhere a is a constant and s is the distance covered by the body. The total work done by all the forces acting on the body in the first t seconds after the start of the motion is :

1
8
ma4t2
8ma4t2
4ma4t2
1
4
ma4t2

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