3 ms·
> But a car crash on a highway typically involves two moving vehicles, reducing the delta at impact. This doesn't seem correct.
by zymhan 6y ago
> But a car crash on a highway typically involves two moving vehicles, reducing the delta at impact.
This doesn't seem correct.
- allannienhuis 6y agoperhaps they're thinking of two vehicles moving in the same direction. Many (most?) highways have separations between oncoming traffic lanes.
- hunterloftis 6y agoHow not? If car A and car B are traveling on parallel routes at speeds X and Y, then their speed delta is |X-Y|, which will always be < X and < Y unless one of them is driving into oncoming traffic.