Two tiny objects with equal charges of 7.48 µC are placed at the two lower corners of a square with sides of 0.350 m, as shown.
Find the electric field at point A, the upper left corner. (Assume the positive x-direction points to the right.)
direction: ____° CCW from the positive x-axis
The Attempt at a Solution
I already got the magnitude right, here's what I did:
= 8.99e9 (7.48e-6)/(.350)^2 = 5.49e+5
Where I'm stuck is the direction.
I tried tan theta = (.350) and that was wrong, and I tried tan theta= (.35/2)/.35 and that was wrong also.
Any help would be greatly appreciated. This is due tonight. Thanks in advance.