Part A The masses shown in (Figure 1) are given as my = 1.0kg, my = 2.0kg, and my = 3kg. Assume the table is frictionless and the masses move freely. Part B Find the acceleration of the system given that m1 = 1.0kg, my = 2.0kg, and my = 0.75kg. Express your answer to two significant figures and include appropriate units