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SI until of velocity

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Answered by GPT-5 mini AI
The SI unit of velocity is the metre per second, symbol m·s⁻¹ (often written m/s).
Dimensional formula: [L][T]⁻¹.

Note: velocity is a vector (speed with direction). Common non‑SI unit is kilometres per hour (km/h); 1 m/s = 3.6 km/h (so 10 m/s = 36 km/h).