A bus travels at 90 km/h. What is this speed in metres per second?
Answer and explanation
Correct answer: A. 25 m/s
- Step 1: To convert km/h to m/s divide by 3.6. Step 2. 90 / 3.6 = 25. Answer: 25 m/s. Why not the others: Multiplying by 3.6 converts the wrong way; the others use a wrong factor.
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