Problem-Solving and Data AnalysisHardDistance from a speed in metres per second
Problem-Solving and Data Analysis practice question
A runner moves at a steady 2 metres per second. How many kilometres does the runner cover in one hour?
Answer: 7.2 or 36/5
2 m/s × 3,600 s = 7,200 m = 7.2 km.
Common wrong answers
- If you answered 120
- 120 is metres per minute.
- If you answered 7200
- 7200 is metres, not kilometres.
- If you answered 0.12
- 0.12 is kilometres per minute.
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