A particle of mass m revolves round a horizontal circle of radius r under the influence of a K centripetal force equal to \[-\frac{k}{2r}\] , where K stands for a constant. What is the total energy possesses by this particle?

\[+\frac{\text{ K}}{{{r}^{2}}}\]

A particle of mass m revolves round a horizontal circle of radius r un

1.	A particle of mass m revolves round a horizontal circle of radius r under the influence of a K centripetal force equal to \[-\frac{k}{2r}\] , where K stands for a constant. What is the total energy possesses by this particle?
A.	\[+\frac{k}{r}\]
B.	\[-\frac{k}{2r}\]
C.	\[-\frac{\text{ 2K}}{r}\]
D.	\[+\frac{\text{ K}}{{{r}^{2}}}\]
Answer» C. \[-\frac{\text{ 2K}}{r}\]

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A particle of mass m revolves round a horizontal circle of radius r under the influence of a K centripetal force equal to \[-\frac{k}{2r}\] , where K stands for a constant. What is the total energy possesses by this particle?

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