4 ms·
Well no -- that wasn't bad luck at all. He simply was way too close for the speed. Back in the day when I got my driver's license we were told to have 3 secon
by seletz 10y ago
Well no -- that wasn't bad luck at all. He simply was way too close for the speed.
Back in the day when I got my driver's license we were told to have 3 seconds of distance. One second to react one second to brake and one second for safety, if I remember correctly.
- slavik81 10y agoAround here they recommend 2s. As part of a science fair project, I measured the following distance of cars on a nearby highway. It's been about 15 years but IIRC, the mode was ~0.5s.