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The graph in Figure 5 shows how the velocity of a car changes with time - Edexcel - GCSE Physics - Question 3 - 2023 - Paper 1

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The graph in Figure 5 shows how the velocity of a car changes with time. The car starts from rest and travels along a level, straight road for 50 s. (i) Which part ... show full transcript

Worked Solution & Example Answer:The graph in Figure 5 shows how the velocity of a car changes with time - Edexcel - GCSE Physics - Question 3 - 2023 - Paper 1

Step 1

Which part of the graph shows when the car has constant velocity?

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Answer

The car has constant velocity during the section where the line is horizontal. Referring to the graph, this occurs in section PQ, where the velocity remains steady at 10 m/s for the duration. Therefore, the correct answer is:

A PQ

Step 2

Which part of the graph shows when the car has the greatest acceleration?

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Answer

The greatest acceleration is indicated by the steepest slope of the velocity graph. From the graph, this occurs during section QR, where the velocity increases rapidly. Thus, the correct answer is:

B QR

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