All changes save 1. Answer the question below. Use the rubric in the materials for help if needed. Two football players collide with a total momentum of 520 kg m/s before the collision. After the collision, Player X has a momentum of 270 kg m/s. What is the momentum for Player Y after the collision? What is their total momentum after the collision? Make sure to show all your work and include proper units.

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Special Relativity

The theory of special relativity discusses how space and time are related to objects traveling along a straight line at a constant speed. Simply stated, as an object reaches the speed of light, its mass becomes infinite and it is unable to move faster than light. This interstellar speed limit has been the topic of much debate in astronomy, and also in science fiction when people consider how to fly over large distances.