When the man returned to the 0 meters on the position-time graph, the line representing his movement would intersect or touch the x-axis at that point. This is because the x-axis on a position-time graph represents the time and the y-axis represents the position. When the man returned to the 0 meters, it means he reached the starting point or the origin of the graph.
At this point, the slope of the line on the graph would be zero. This is because the slope represents the rate of change of position with respect to time. When the man returns to the initial position, his position does not change over time, resulting in a horizontal line with a slope of zero.
What happened to the line on the Position-Time Graph (Blue Graph) when the man returned to the 0 meters? Explain why.
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