Class 11PhysicsWork, Energy, Power and CollisionWork Done by Variable Force and Force-Displacement Graph
Difficult$A$ particle of mass $10\,g$ moves in a straight line with retardation $2x$,where $x$ is the displacement in $SI$ units. Its loss of kinetic energy for the above displacement is $\left(\frac{10}{x}\right)^{-n}\,J$. The value of $n$ will be $............$.
- A$1$
- B$3$
- C$4$
- D$2$
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