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12a
Problem

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Textbook Expert
Textbook ExpertVerified Tutor
14 Oct 2021

Given information

The displacement time graph is

Step-by-step explanation

Step 1.

Consider the graph

From the graph, the trace of the runner is described by the red line.

The graph shows that maintained a constant pace for the entire race.

On the other hand, the runner  started slower at the beginning but then steadily sped up to catch up with the runner .

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