CYPHERSYDNEYviz CYPHERSYDNEYviz Physics Answered 4. What is the KE at the bottom? A. 3,750 J B. 7,500 J C. 11,250 J D. 15,000 J 5. What is the Total Mechanical Energy at the top? A. 3,750 J B. 7,500 J C. 11,250 J D. 15,000 J