A 5.70-kg ball is dropped from a height of 12.0m above one end of a uniform bar that pivots at its center. The bar has mass 6.00kg and is 4.80m in length. At the other end of the bar sits another 5.10-kg ball, unattached to the bar. The dropped ball sticks to the bar after the collision.
Part A How high will the other ball go after the collision?