1. The problem statement, all variables and given/known data Hi there! Could you please help me with this question? Am I doing it right? A particle is moving under a force of the form F(r) = -Ar^3 (r-hat). The particle begins its movement at a distance r0 and velocity v0. A. Find and draw the effective potential. Can the particle arrive at r=0? B. Find the velocity v0 so that the particle will move in a circle. C. What is the frequency of the small movements (w0) around that radius? 2. Relevant equations 3. The attempt at a solution The attempt is attached as an image.