Question:
A 4.0kg model train going right at 6.0m/s bumps into a toy
Last updated: 7/23/2022
![A 4.0kg model train going right at 6.0m/s bumps into a toy](https://media.kunduz.com/media/sug-question/raw/40119489-1658599555.7058806.jpeg?h=512)
A 4.0kg model train going right at 6.0m/s bumps into a toy wagon moving in the same direction at 2.0m/s. The model train has a final speed of 4.8m/s, and the wagon has a final speed of 5.2m/s, both to the right. What is the mass of the wagon?