hard · Enhanced ACT science
: Stopping Distance of a Test Vehicle on Dry Pavement | Speed (km/h) | Reaction Distance (m) | Braking Distance (m) |
| --- | --- | --- |
| 30 | 6.3 | 4.5 |
| 50 | 10.4 | 12.5 |
| 70 | 14.6 | 24.5 |
| 90 | 18.8 | 40.5 |
According to, what is the lowest speed at which the total stopping distance (reaction plus braking) first exceeds 30 m?
- 30 km/h
- 50 km/h
- 70 km/h
- 90 km/h
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