Question

a railroad car slams into another railroad car and couples together.What is the combined speed of the railroad car after the collision

please answer the question

Answer 1

Answer:

Explanation:

For a collision occurring between object 1 and object 2 in an isolated system, the total momentum of the two objects before the collision is equal to the total momentum of the two objects after the collision. That is, the momentum lost by object 1 is equal to the momentum gained by object 2...