Respuesta :
The distance between Raul and Kristin would remain the same over the time period. Hence, the graph with the horizontal line depicts their distance. Graph C
- The speed of the train does not matter in this situation since both Raul and Kristin are riding on it.
- The distance seperating the two which is 1.8 meters will be constant since they both did not leave their seat.
Therefore, the distance between then will be maintained over the course of the journey else one or both of them leaves their seat.
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