28. let m, = 1 kg, m, = 2 kg and m, = 3 kg in figure (5-e12). find the accelerations of m, m, and mg. the string from the upper pulley to m, is 20 cm when the s

28. Let m, = 1 kg, m, = 2 kg and m, = 3 kg in figure (5-E12). Find the accelerations of m, m, and mg. The string from the upper pulley to m, is 20 cm when the system is released from rest. How long will it take before m strikes the pulley? Shot on realme C2