Question
A railroad car with a mass of 2.35 × 104 kg moving at 3.90 m/s collides and joins with two railroad cars already joined together, each with the same mass as the single car and initially moving in the same direction at 1.25 m/s.
a) What is the final speed of the three joined cars after the collision?
Answer in units of m/s
a) What is the final speed of the three joined cars after the collision?
Answer in units of m/s