Work, Energy and Power: JEE Main 2018 Physics question

JEE Main 2018 · 16 Apr, Morning shift · Q8617

JEE Main 201816 Apr, Morning shiftPhysicsMediumWork, Energy and Power70× since 2002

A body of mass m starts moving from rest along x-axis so that its velocity varies as

\upsilon = a\sqrt s

where 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 :

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JEE Main 2018 Work, Energy and Power Question with Solution (16 Apr Morning shift, Q8617) | JEE Arc