Let Vector a = 3

Multiple Choice

Let vector A = 3.0i + 2.0j. A new rectangular coordinate system is generated by a 45° counterclockwise rotation about the k axis. Vector A in the new coordinate system is given by

A) 3.5i - 0.71j.
B) 2.0i + 3.0j.
C) 3.5i + 0.71j.
D) 2.0i - 3.0j.