Question

1. Four charges of +9, +q+q and +q are placed
at the corners A, B, C and D of a square.
The resultant force on the charge at D
29?
1)
z (1+2+3)
8πεο α
t
q2
a?
2)
Ea a²
3)
q?
81 €, a
, α'
x 272
4) Zero​

Answer 1

no answer for this sry