Q.5. A particle of mass m moves under the action of a central force whose potential is given by V r = K r 3 , K > 0 (i) For what energy and angular momentum will the orbit be a circle of radius a about the origin? (ii) What is the period of this circular motion? Share with your friends Share 7 Sandeep K. Gupta answered this Dear Student, Regards. 10 View Full Answer