Question
Download Solution PDFWhat is the SI unit of speed limit on highways?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is Meter per second (m/s).
Key Points
- The SI unit for speed is meter per second (m/s), which is the standard unit used in scientific measurements.
- Although speed limits on highways are commonly displayed in kilometers per hour (km/h) or miles per hour (mph) for practical reasons, the fundamental SI unit remains m/s.
- Speed is a measure of the distance traveled per unit of time, and the use of m/s is consistent with the metric system used globally.
- In everyday usage, different countries may prefer km/h or mph depending on regional standards, but m/s is universally accepted for scientific contexts.
Additional Information
- Speed in Different Units:
- 1 m/s = 3.6 km/h
- 1 m/s ≈ 2.237 mph
Last updated on Jul 11, 2025
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