Physics, 03.03.2021 20:40, ShlomoShekelstein
HELP PLEASE?!?!?!?! A 4.0 kg model train going right at 6 m/s bumps into a toy wagon moving in the same direction at 2.0 m/s. The model train has a final speed of 4.8 m/s, and the toy wagon has a final speed of 5.2 m/s, both tho the right.
What is the mass of the toy wagon?
Consider rightward as the positive direction and round to two significant digits.
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