英語(yǔ)翻譯
英語(yǔ)翻譯
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 .
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 .
數(shù)學(xué)人氣：139 ℃時(shí)間：2020-04-22 21:10:04
優(yōu)質(zhì)解答
1 速度向量空間中兩點(diǎn)的物理聯(lián)系是什么?以這兩點(diǎn)為端點(diǎn)的向量是這兩個(gè)速度之差2 找到一個(gè)單位向量其方向指向A=...和B=...中間先找到A方向的單位向量a=（1/根號(hào)34）*（5X-3Y）,根號(hào)34是A的長(zhǎng)度.同理得到B方向單位向量...
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