Question

what is the radial vector er???

Answer 1

\[\vec{e}_r = \frac{\vec{r}}{r}\]
The unit vector which points radially outward from the origin.

Answer 2

somethin more please

Answer 3

? I mean draw a vector r from the origin and it points parallel to that... I don't know what else to say about it.

Answer 4

I could show you some vector calc but idk what good that will do you...

Answer 5

i m ready for calc....and it points parallel to where

Answer 6

The any vector r: