Question: Question 9: please show all work and necessary formulas. D Question 9 15 pts A train car (m= 7000 Kg) moving with v =19 m/s

Question 9: please show all work and necessary formulas.

D Question 9 15 pts A train car (m= 7000 Kg) moving with v =19 m/s collide with a second car at rest. The two attached together. The velocity after collision is v= 5.0 m/s. What is the m of the second car? Upload Choose a File

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