Two skaters that are initially at rest push off from one another. One has a mass of 50 kg and moves with a speed of 4.0 m/s to the right after pushing off. What is the velocity of the other skater whose mass is 75 kg?
- 200 kg m/s.
- 4 m/s to the left.
- 2.67 m/s to the left.
- 2.67 m/s to the right.