6. A toy train car of mass 1.4 kg is moving forwards with a

Last updated: 7/24/2022

6. A toy train car of mass 1.4 kg is moving forwards with a velocity of 2.8 m/s when it strikes a stationary second toy car of mass 1.0 kg. The two cars are magnetic and stick together in a perfectly inelastic collision. What is the final velocity of the two cars combined?