Disk A has a mass of 225 g and is sliding on a smooth horizontal surface with an initial velocity (vA)ı = 9 m/s. It makes a direct collision with disk B, which has a mass of 175 g and is originally at rest. Both disks are of the same size and the collision is perfectly elastic (e = 1). Part A Determine the velocity of the disk A just after collision. Express your answer to three significant figures and include the appropriate units. HẢ (vA)2 = Value Units Submit Request Answer • Part B Determine the velocity of the disk B just after collision. Express your answer to three significant figures and include the appropriate units. HẢ ? (vB)2 = Value Units Submit Request Answer Part C Calculate the kinetic energies of the disks before collision T and after the collision T. Express your answers using three significant figures separated by a comma. nνα ΑΣφ vec T1, T = J Submit Request Answer