Which statement is true about the unit vectors , and ?
A)Their directions are defined by a left-handed coordinate system.
B)The angle between any two is 90 degrees.
C)Each has a length of 1 m.
D)If is directed east and is directed south, points up out of the surface.
E)All of the above.

Question

Which statement is true about the unit vectors  ,  and  ?
A)Their directions are defined by a left-handed coordinate system. 
B)The angle between any two is 90 degrees. 
C)Each has a length of 1 m. 
D)If is directed east and is directed south, points up out of the surface. 
E)All of the above.

Quizplus · Accepted Answer

The Answer of Which statement is true about the unit vectors  ,  and  ?
A)Their directions are defined by a left-handed coordinate system. 
B)The angle between any two is 90 degrees. 
C)Each has a length of 1 m. 
D)If is directed east and is directed south, points up out of the surface. 
E)All of the above.

Which Statement Is True About the Unit Vectors