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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 D... 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 find the distance David ran in the first 4 seconds, refer to the distance-time graph provided.
- Locate the time value of 4 seconds on the x-axis.
- Draw a vertical line from this point until it intersects the line representing David's distance.
- From the intersection point, draw a horizontal line to the y-axis to determine the distance.
- The graph indicates that at 4 seconds, David covered approximately 20 meters.
Thus, the distance David ran in the first 4 seconds is 20 m.