Compute braking time t = v₀/a from initial speed and deceleration rate.
输入初速度 v₀ 与减速度 a,求制动时间。
| Item | Formula / Note | Source / Standard |
|---|---|---|
| Stopping time | t = v0/(μg) | GB 7258-2017 |
| Uniform deceleration | t = v0/|a| | Halliday-Resnick |
| Reaction time | 0.5-1.5 s | GB 21670 |