Two hockey players traveling at 12 m/s (Player #1) and 19 m/s (Player #2) hit in a head-on collision. They grab onto each (face to face) in other to keep from falling and slide in the same direction Player #2 was traveling at a speed of 5 m/s.  Player #1 has a mass of 100 kg.  What is Player #2’s mass?

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