2 ms·
Except that this only gives you a linear amount of space with respect to your speed. You need space that goes as the square of the speed.
by Eliezer 17y ago
Except that this only gives you a linear amount of space with respect to your speed. You need space that goes as the square of the speed.
- eru 17y agoDepends. For cancelling your reacting time you only need linear speed. And if the vehicle in front of you has the some breaking deceleration as you can achieve, that's fine.