a bola consists of 3 identical heavy balls connected to a common point by identical lengths of sturdy string. a person holds the bola by holding one of the balls and swinging it in a horizontal circle, with the axis of rotation through the ball on the left (figure (a)). when the bola is released, the bola spreads out and rotates about the center of the bola (figure (b)). find the following ratios: a) la/lb
