50kg ball tied to the end of a 1.3m light cord is revolvedin a horizontal plane with the cord making a 30 degree angle with the vertical
A) what is the balls speed
B) if the ball is revolved so the speed is 4m/s what angle does the cord need to be at the vertical
C) if the cord withstands a max tension of 9.8N whats the maxspeed the ball can move