To answer your questions, I’d need to see the actual position-time graph you are referring to. However, I can guide you on how to interpret a distance-time graph:
A) To determine which runner won the race, look for the runner whose line is highest on the graph at the end of the race. The furthest distance covered in the shortest amount of time indicates the winner.
B) You would describe how this runner's line reaches the highest point by the end of the race. Mention specific points on the graph where the runner consistently moves upward without any horizontal (flat) sections, indicating they were running at a steady pace.
C) The runner who stopped for a rest can be identified by a horizontal (flat) line in their section of the graph, indicating that their position did not change over a period of time.
D) The graph shows the pause or rest as a flat line segment where the distance remains constant over time. You can point out the specific time intervals where this occurs, reflecting that the runner wasn't moving during that segment.
If you can provide more details or describe the graph, I could give you more specific answers!
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