Search Results
Search type | Search syntax |
---|---|
Tags | [tag] |
Exact | "words here" |
Author |
user:1234 user:me (yours) |
Score |
score:3 (3+) score:0 (none) |
Answers |
answers:3 (3+) answers:0 (none) isaccepted:yes hasaccepted:no inquestion:1234 |
Views | views:250 |
Code | code:"if (foo != bar)" |
Sections |
title:apples body:"apples oranges" |
URL | url:"*.example.com" |
Saves | in:saves |
Status |
closed:yes duplicate:no migrated:no wiki:no |
Types |
is:question is:answer |
Exclude |
-[tag] -apples |
For more details on advanced search visit our help page |
Geometric object with magnitude (length) and direction.
1
vote
In 2D space, how to calculate the direction to hit a moving projectile from a position?
So we have $\vec A, \vec B, \vec v_2$ and $|\vec{v_1}| = s_1$. We can represent the vector $\vec{v_1}$ as follows:
$$
\vec d = \vec B - \vec A \\
\vec B + \vec v _2 t = \vec A + \vec v _1 t \\
\vec v_ …