Which statement is true about the unit vectors î, ĵ and k̂ ?
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 î is directed east and ĵ is directed south, k̂ points up out of the surface.
E)All of the above.

Question

Quizplus · Accepted Answer

Unit vectors î, ĵ, and k̂ are orthogonal to each other, meaning the angle between any two is 90 degrees.

Which Statement Is True About the Unit Vectors Î, Ĵ