Question

Four charges q1, q2, q3 and q4 of magnitudes -2.0
х 10€ С, +2.0 х 10% С, -2.0 х 104 С, and +2.0 х 10° С are
arranged at the corners of a square ABCD respectively. The
sides of the square are of length 4.0 cm. What is the net force
exerted on charge at B by the other three charges?​

Answer 1

Explanation:

"4.0" (and any subsequent words) was ignored because we limit queries to 32 words.