Problem-Solving and Data AnalysisHardConverting km/h to m/s
Problem-Solving and Data Analysis practice question
A train travels at 90 kilometres per hour. What is its speed in metres per second?
Answer: 25
90 km/h = 90,000 m per 3,600 s = 25 m/s.
Common wrong answers
- If you answered 324
- 324 goes the wrong way (90 × 3.6), converting m/s to km/h.
- If you answered 1500
- 1,500 converts kilometres to metres and hours to minutes but not to seconds.
- If you answered 90000
- 90,000 is metres per HOUR.
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