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The photograph shows the beginning of a 100 m race - Edexcel - GCSE Physics - Question 1 - 2012 - Paper 1
Question 1
The photograph shows the beginning of a 100 m race. David wins the race. The graph shows David's distance-time graph. (a) Use the graph to find the distance David ... show full transcript
Worked Solution & Example Answer:The photograph shows the beginning of a 100 m race - Edexcel - GCSE Physics - Question 1 - 2012 - Paper 1
Step 1
Use the graph to find the distance David ran in the first 4 s.
Answer
To determine the distance that David ran in the first 4 seconds, we will examine the distance-time graph provided. At 4 seconds on the horizontal axis, we draw a vertical line up to the curve of the graph. The distance corresponding to this point is approximately 20 meters. Therefore, the distance David ran in the first 4 seconds is:
Distance in the first 4 s = 20 m.