Am, =1:95-kg aluminum block and a my= 6.30-big copper block are connected by a light string over a frictionless pulley. The two blocks are allowed to move on a fixed iteel Block wedge [of angle "= 31:0") as shown in the figure. (For aluminum on steel, #, = 0.61 and a, # 0.47, For copper on steel. A = 0.53 and a = 0.36.] Aluminum Copper Sicel (a] the acceleration of the two blocks (b) the tension in the string N