Question 16 — IGCSE 0580 March 2025 Paper 42
Cambridge IGCSE Mathematics 0580, Extended tier, calculator. Topic: Numbers · Speed, distance, time problems. Worth 6 marks.
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Question text
16 The graph shows the speed of a cyclist during a journey of 30 seconds.
8
6
Speed (m/s)
4
2
0
0 5 10 15 20 25 30
Time (seconds)
(a) Write down the acceleration of the cyclist between 15 seconds and 25 seconds.
........................................ m/s2 [1]
(b) By drawing a tangent, find an estimate for the acceleration of the cyclist at 7.5 seconds.
........................................ m/s2 [2]
(c) Work out the average speed of the cyclist between 15 seconds and 30 seconds.
........................................... m/s [3]
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