AP EAMCET Engineering 2018 Apr 23 Shift 2 Paper

An empty bucket of mass 1 kg attached by a light cord passed over a pulley of a water well is released from rest. If the pulley assembly is assumed to be a uniform solid cylinder of mass 8 kg and free to rotate about its axis without any friction, then the speed of the bucket as it hits the water 16 m below is (g = 10 ms ‌–2 )