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https://jjthetutor.com/10-77-a-5-00-kg-ball-is-dropped-from-a-height-of-12-0-mabove-one-end-of-a-uniform-bar-that-pivots-at-its-center-the-barhas-mass-8-00-kg-and-is-4-00-m-in-length-at-the-other-end-of-thebar-sits/
10.77 ... A 5.00-kg ball is dropped from a height of 12.0 mabove one end of a uniform bar that pivots at its center. The barhas mass 8.00 kg and is 4.00 m in length. At the other end of thebar sits another 5.00-kg ball unattached to the bar. The droppedball sticks to the bar after the collision. How high will the otherball go after the collision?