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Two ice skaters want to prove conservation of momentum. Skater A has a mass of 72 kg, and skater B has a mass of 48

Two ice skaters want to prove conservation of momentum. Skater A has a mass of 72 kg, and skater B has a mass of 48 kg. They are originally at rest. They hold hands and face each other. They then push off each other and move in opposite directions. Skater B moves with a velocity of 3 m/s.

What must the velocity of skater A be in the opposite direction after the push in order to prove conservation of momentum?

1.5 m/s

3.0 m/s

2.0 m/s

4.5 m/s

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