- #1
jeff1evesque
- 312
- 0
Homework Statement
The unit normal to a sphere is defined as, [tex]\hat{a}_{n} = x\hat{x} + y\hat{y} + z\hat{z}[/tex]
But I thought it would be defined as, [tex]\hat{a}_{n} = 1\hat{x} + 1\hat{y} + 1\hat{z}[/tex]
Could someone explain to me why am I thinking incorrectly?
Thanks,
JL