Two toy cars are moving forward in a monorail. Toy car #1, weighing 0.5 kg, was ahead of toy car #2, weighing 1.5 kg in the beginning, but they soon collided and joined together. The initial velocity of toy car #1 is 1 m/s and that of toy car #2 is 2 m/s. What is the final velocity of both of these cars after they are connected? Assume that there is no friction in this system.

A. 0.17 m/s

B. 2.67 m/s

C. 15.7 m/s

D. 1.75 m/s

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The law of conservation of linear momentum states that the total linear momentum of an isolated syst... View the full answer