A particle of mass m is moving in a horizontal circle of radius r, under a centripetal force equal to - (K//r^(2)), where K is constant. What is the total energy of the particle ?

A particle of mass m is moving in a horizontal circle of radius r, und

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