The cast shown below moves accross the table as the block Palls . The pulley is retal-ed by the string without slipping The system is relased from rest at t - o m, - 2 kg my - 4kq I - 0 4 kg . m? r = 0. 2 m Use conservation of energy to find the speed of each cart and angular speed of the pulley after cartm, has dropped by 0. 5 m vertically . neglect rolling friction m2 m