4MA1/2H Jun 2022, Question 7: Unit Conversions
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 2H (Higher) · Calculator · 3 marks
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The question, in short
Convert a speed of 81 kilometres per hour into metres per second.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Solution · 3 marks
- 181 km = 81 × 1000 = 81 000 m
- 21 hour = 60 × 60 = 3600 seconds
- 381 000 ÷ 3600 = 22.5
Answer22.5
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