Ball A of mass 3.0 kg is attached to a 04-mlight rod, freely pivoted at P Ball Bis suspended from Q by a06-m rope and is at rest. Ball A is raised to a certain level and is released BallA descends, and hasa speed 1-36ms at the bottom, prior to striking ball B. The speed of balls A and Bafter the collision are 2-1.1mis andg-23m/s as shown In Fig 8.6, the mass of ball Bis closest to O 31 kg 38 kg O 54 kg 46 kg O 61kg Figure 8.6 0.6 m 0.4 m B "2