Vector direction determination

  • #1

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?
 

Answers and Replies

  • #2
13,050
6,931
that cant 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?
 
  • #3
that cant 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?
 
  • #4
21,428
4,831
really sorry i meant up is that correct?
Yes. Rotating y into z gives x for your thumb.
 

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