What is the Direction of x Using the Right Hand Rule?

[Tiven white]

Homework Statement

If z = east and y = south, then x = ______?
Select one:
a. east
b. up
c. south
d. north
e. down

Homework Equations

The Attempt at a Solution

using the right hand rule the answer i got is south is this correct?

 

[jedishrfu]

that can't be right because y is already south

you know z=east so that -z=west and y=south so that -y=north so what else is left for x?

 

[Tiven white]

that can't be right because y is already south

you know z=east so that -z=west and y=south so that -y=north so what else is left for x?

really sorry i meant up is that correct?

 

[Chestermiller]

really sorry i meant up is that correct?

Yes. Rotating y into z gives x for your thumb.