Question: object a has mass 2 kg and is traveling?
Answer: Object A has mass 2 kg and is traveling to the right at speed 3 m/s. Object B is traveling to the left at speed 3 m/s. The objects collide head-on, and afterward each has a speed of 3 m/s. ... It collides head-on and sticks to a 0.5 kg metal sphere that is sliding to the left with speed 4 m/s.