A rectangle has a length of 2d and a height of d. Each of
the following three charges is located at a corner of the rectangle:
The net electric field at the (empty) upper right corner iz zero.
Find the magnitude of q1 and q2.
Express your answers in terms of q.
- +q1 in the upper left corner
- +q2 in the lower right corner
- -q in the lower left corner.