The vector has components +5 and +7 along the x and y axes respectively. Along a set of axes rotated 90 degrees counterclockwise relative to the original axes, the vector's components are
A) −7; −5.
B) 7; −5.
C) −7; 5.
D) 7; 5.
E) 7; 0.

Question

The vector  has components +5 and +7 along the x and y axes respectively. Along a set of axes rotated 90 degrees counterclockwise relative to the original axes, the vector's components are
A) −7; −5. 
B) 7; −5. 
C) −7; 5. 
D) 7; 5. 
E) 7; 0.

Quizplus · Accepted Answer

The Answer of The vector  has components +5 and +7 along the x and y axes respectively. Along a set of axes rotated 90 degrees counterclockwise relative to the original axes, the vector's components are
A) −7; −5. 
B) 7; −5. 
C) −7; 5. 
D) 7; 5. 
E) 7; 0.

The Vector Has Components +5 and +7 Along the X