英语翻译What is the physical relation between any two points inside t_数学解答

英语翻译
What is the physical relation between any two points inside the velocity vector-space?
Find a unit vector which points directly halfway between the directions of the two vectors A=5X - 3Y and B=4X -7Y +5Z .

人气：390 ℃　时间：2020-04-22 21:10:04

解答

1 速度向量空间中两点的物理联系是什么?以这两点为端点的向量是这两个速度之差2 找到一个单位向量其方向指向A=...和B=...中间先找到A方向的单位向量a=（1/根号34）*（5X-3Y）,根号34是A的长度.同理得到B方向单位向量...