Question
A body of mass $0.5 \mathrm{~kg}$ travels on straight line path with velocity $v=\left(3 x^{2}+4\right) \mathrm{m} / \mathrm{s}$. The net workdone by the force during its displacement from $x=0$ to $x=2 \mathrm{~m}$ is :
A body of mass $0.5 \mathrm{~kg}$ travels on straight line path with velocity $v=\left(3 x^{2}+4\right) \mathrm{m} / \mathrm{s}$. The net workdone by the force during its displacement from $x=0$ to $x=2 \mathrm{~m}$ is :