If a vector $\overrightarrow { \mathrm { A } }$ has components A_x 0, then the angle that this vector makes with the positive x-axis must be in the range A)0° to 90° B)90° to 180° C)180° to 270° D)270° to 360° E)It cannot be determined without additional information.

Question

If a vector $\overrightarrow { \mathrm { A } }$ has components A_x < 0, and A_y > 0, then the angle that this vector makes with the positive x-axis must be in the range A)0° to 90° B)90° to 180° C)180° to 270° D)270° to 360° E)It cannot be determined without additional information.

Quizplus · Accepted Answer

The Answer is B

If a Vector A→\overrightarrow { \mathrm { A } }A Has Components Ax < 0, and Ay > 0, Then

If a Vector $\overrightarrow { \mathrm { A } }$ Has Components A_x < 0, and A_y > 0, Then