Respuesta:Fe = 32.37 NExplicación:Datos:q₁ = + 38 μc = 38 x 10⁻⁶Cq₂ = -16,7 μc = 16.7 x 10⁻⁶Cd = 42 cm = 0.42 mFe =?K = 9 x 10⁹ N m² / C² q₁ x q₂Fe = k ----------------- d² (38 x 10⁻⁶C)(16.7 x 10⁻⁶C)Fe = 9 x 10⁹ N m² / C² ----------------------------------------- (0.42 m)² 6.346 x 10⁻¹⁰ C² Fe = 9 x 10⁹ N m² / C² ------------------------------ 0.1764 m² Fe = 9 x 10⁹ N (3.5975 x 10⁻⁹)Fe = 32.37 N