Question

A single 1,000 kg train car moving at 3.0 m/s collides with the back of two 1,000 kg train cars linked together. It latches onto the car it strikes as the two parts of the coupled cars exert forces on each other. What is the speed of the cars immediately afterward?

1.0 m/s

1.5 m/s

3.0 m/s

0.0 m/s

Answer 1

Its 1.0 m/s

Step-by-step explanation:

I checked to quiz

Answer 2

I believe the answer is 1.0 m/s