Answer part B

What was the speed of puck A before the collision? On a frictionless, horizontal air table, puck A (with v = 0.846 m/s mass 0.245 kg ) is moving toward puck B (with mass 0.360 kg ), that is initially at rest. After the collision, puck A has a velocity of 0.124 m /s to the Submit Previous Answers left, and puck B has velocity 0.660 m /s to the right. You may want to review (Page) . V Correct IDENTIFY: Apply conservation of momentum to the system of the two pucks. For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of SET UP: Let +x be to the right. Collision along a straight line. EXECUTE: Pir = P2x says (0.245kg)vAl = (0.245kg)(-0.124m/s) + (0.360kg) (0.660m/s) and V Al = 0.846m/s Part B Calculate the change in the total kinetic energy of the system that occurs during the collision. AE