(10%) Problem 8: Two cars collide at an icy intersection and stick together afterward. The rst car has a mass of 1500 kg and is approaching at 7.5 m/s due south. The second car has a mass of 650 kg and is approaching at 18.5 m/s due west. D m 33% Part (a) Calculate the magnitude of the nal velocity, in meters per second, of the cars. Grade Summary Deductions 0 % Potential 100% ) 7 8 9 HOME Submissions Attempts remaining: g M 4 5 6 " ( Per attempt) a: 1 2 3 detailed view BACKSPACE DEL CLEAR Submit | Hint | Feedback | Igiveup! Hints: 5% deduction per hint. Hints remaining: 1 Feedback: 5% deduction per feedback. & 33% Part (b) Calculate the direction of the nal velocity, in degrees south of west, of the cars. a 33 % Part (c) What is the change in kinetic energy, in joules, for the collision? (This energy goes into deformation of the cars.)