Convert the vector `vecr=3hati+2hatj` into a unit vector.

Answer

Given: Position vector `vecr=3hati+2hatj`

Explanation

Unit vector `hatr=(vecr)/(|r|)`
Here `=|r|=sqrt(3^(2)+2^(2))=sqrt(9+4)=sqrt13`
`:.hatr=(vecr)/(|r|)=(3hati+2hatj)/(sqrt13)`