回复：你说的对，可是。。回复：回复：谢谢回复！对方速度确实出奇快，我感觉一道白光冲过来。回复：回复：单身老猫大侠，及其他大侠，朋

Let's say Car 1 travel from A to C (collision point). Car 2 travel from B to C. Get the distance of A-C and B-C. T1 = T2. You need to get car 1's speed first, then you can get car 2's speed.