0 Question 8 0 out of 6 points Two toy cars are moving forward in a monorail. Toy car #1, weighing 0.5 kg, was ahead of toy car #2, weighing 1.5 kg in the beginning, but they soon collided and joined together. The initial velocity of toy car #1 is 1 m/s and that of toy car #2 is 2 m/s. What is the final velocity of both of these cars after they are connected? Assume that there is no friction in this system. Selected Answer: 2.67 m/s