Aparticle of mass .m. is moving in a horizontal circle of radius .r. under a centripetal force equal to -(k)/(r^(2)), where k is a constant. The potential energy of the particle

Aparticle of mass .m. is moving in a horizontal circle of radius .r. u

1.	Aparticle of mass .m. is moving in a horizontal circle of radius .r. under a centripetal force equal to -(k)/(r^(2)), where k is a constant. The potential energy of the particle
Answer» `(K)/(R )` `-(k)/(2R)` `-(k)/(r )` `(k)/(2r)` ANSWER :C