Conservation of Momentum: A 328-kg car moving at 19.1 m/s in the +x direction hits from behind a second car moving at 13.0 m/s in the same direction. If the second car has a mass of 790 kg and a speed of 15.1 m/s right after the collision, what is the velocity of the first car after this sudden collision?
A. 14.0 m/s
B. 18.2 m/s
C. 24.2 m/s
D. -14.0 m/s
Answer: A
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