A charge Q2 = 8.854 × 10-9 C is located in vacuum at P2 (2, 3, 1). The force on Q2 due to a charge Q1 = 4π × 10-3 C at P1 (2, 2, 1) is:
(Note: All the coordinates are measured in meters ax, ay, and az are unit vectors in X, Y, and Z direction respectively.)
1
ayN
2
-ayN
3
4ax + 5ay + 2azN
4
-4ax – 5ay – 2azN