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  • Displacement (in metre) of a particle of mass 2 kg moving on x-axis, as function of time t (in second) is given by <img alt="x=2t-\frac{t^{2}}{2}" src="https://entrancecorner.oncodecogs.com/gif.lat

Displacement (in metre) of a particle of mass 2 kg moving on x-axis, as function of time t (in second) is given by x=2t-\frac{t^{2}}{2}. Work done by the force acting on the particle between \text {t = 0 and t = 2 s}, is

Option: 1

\text {4 J}


Option: 2

\text {-4 J}


Option: 3

\text {Zero}

 


Option: 4

\text {8 J}


Answers (1)

Answer (2)

\\W=\Delta K\\V_{i}=2\; m/s\\V_{f}=0\; m/s

Posted by

Sumit Saini

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