To use the principle of work and energy to determine characteristics of a system of particles, including final velocities and positions. The two blocks shown have masses of m_A = 54 kg and m_B = 68 kg . The coefficient of kinetic friction between block A and the inclined plane is mu_k = 0.11 . The angle of the inclined plane is given by theta = 45. Neglect the weight of the rope and pulley. Part A - Normal Force Acting on Block A Determine the magnitudes of the normal force acting on block A, N_A. Part B - Velocity of the Blocks at a Given Position If both blocks are released from rest, determine the velocity of block B when it has moved through a distance of s = 2.00 m . Express your answer to two significant figures and include the appropriate units. Part C - Position of the Blocks at a Given Velocity If both blocks are released from rest, determine how far block A has moved up the incline when the velocity of block B is (v_B)_2 = 5.50 m/s