Finding ř for a Given Vector r and its Components - Simple Vectors Problem

[Kingsley]

Homework Statement

12. [1pt] The unit vector ř that points in the direction of r is given by ř =r/ |r|.
If r = (-7.00)î + (7.00)ĵ find ř.

b)What is the x component and the y component of ř?

Homework Equations

a^2 + b^2 = c^2

The Attempt at a Solution

I don't really understand what the equation is asking i can't seem to wrap my mind around it the farthest i got was

ř = -7.00î + 7.00ĵ
---------------
|-7.00î + 7.00ĵ|

if anyone could help me out what to do or even understand the question it would be appreciated thanks

 

[rock.freak667]

If you have a vector A=xi+yj, then |A|= √(x²+y²)

 

[rock.freak667]

ok so

ř = -7.00î + 7.00ĵ/9.9

?

i can't see how to find the answer to the question

Well then you will have ř = 1/9.9 (-7.00î + 7.00ĵ)

and if you have A=w(2i+j), this is the same as A=2wi+wj

 

[Kingsley]

Well then you will have ř = 1/9.9 (-7.00î + 7.00ĵ)

and if you have A=w(2i+j), this is the same as A=2wi+wj

ohhhhhhhhh ok i got it lol I am an idiot thanks