| Speed in km/h |
Total stopping distance |
Reaction distance in (m) |
Following distance time |
| 30 |
18 |
9 |
2 |
| 60 |
54 |
18 |
3 |
| 90 |
108 |
27 |
4 |
In second situation, Total stopping distance = Reaction distance x following distance time
\(54=x \times3=>x=\frac{54}{3}=18m\)
In the third situation, Total stopping distance = 27 x 4 = 108 m
On wet road, the reaction distance will increase.
