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A 6.500 kg train car moving at +2.0 m/s bumps into and locks together with one of mass 5,400 kg moving at -3.0 m/s. What is their final velocity?

A 6.500 kg train car moving at +2.0 m/s bumps into and locks together with one of mass 5,400 kg moving at -3.0 m/s. What is their final velocity?
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21 votes
A 6.500 kg train car moving at +2.0 m/s bumps into and locks together with one of mass 5,400 kg moving at

-3.0 m/s. What is their final velocity?

asked
User AronVanAmmers
by
8.4k points

1 Answer

12 votes

Answer: +2.5 m/s

Step-by-step explanation:

answered
User Parasrish
by
8.2k points
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