Question detail
What is the equivalent of 72 km/h in m/s?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Forces and motion
Question
- A. 20 m/s
- B. 18 m/s
- C. 25 m/s
- D. 15 m/s
Answer
20 m/s
Explanation
To convert km/h to m/s, divide by 3.6. Therefore, 72 km/h ÷ 3.6 = 20 m/s.
Common mistake
Unit Conversion Confusion
Students often confuse the conversion factors between metres per second (m/s) and kilometres per hour (km/h), leading to incorrect calculations.
Remember that to convert from m/s to km/h, you multiply by 3.6, and to convert from km/h to m/s, you divide by 3.6.
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