Convert m/s to kilometres per hour.
Answer and explanation
Correct answer: C. 9 km/h
- Step 1: In one hour there are seconds, so the distance is m.
- Step 2: m km, so the speed is km/h.
Answer
9 km/h.
Why not the others: 0.69 km/h: This divides by rather than multiplying. 150 km/h: This multiplies by only, which converts to metres per minute. 90 km/h: This multiplies by instead of .
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