0580/21 May/Jun 2022, Question 14: Speed, Distance and Time
Cambridge IGCSE Mathematics 0580 · Paper 21 (Extended) · Calculator · 3 marks
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The question, in short
A train at 108 km/h takes 7 seconds to completely pass a 120 m station; work out the train's length.
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Solution · 3 marks
- 1108 km/h = 108 000 ÷ 3600 = 30 m/s
- 2Distance in 7 s = 30 × 7 = 210 m
- 3Train length = 210 − 120 = 90 m
Answer90
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