Two particles travel along the space curves
Do the particles collide? Do they intersect?
so far I have:
I'm not sure if I have to take , where and where ?
Say they intersect, in that case, particle one intersects in the time and the second in time . We now have:
So, they intersect at two places. If they hadn't intersected, the equation(s) wouldn't have been possible to solve. Now if you want to se if they colide, put . Then we have , which doesn't fit with .