Mechanics help :(! I REALLY NEED HELP :( Two blocks are connected by a cord which passes over a frictionless pulley at D. Block A has a mass of 40 kg and block B a mass of 120 kg. A rests on a horizontal surface, while B rests on a ramp with the slope shown. B is initially in a position 3 m from the stop C as shown. The coefficient of kinetic friction between the blocks and the surface beneath is μK = 0.20 for both A and B. (a) Find the acceleration of the two blocks and the tension T in the cord, assuming that the blocks just begin to move at time t = 0.