Q= ( q!+q2) / 2= ( -1,5+3,5) /2= 1*10^-7
F= kQQ / r^2= 9*10^9 * 10^-7 * 10^-7 / ( 0,05)^2=3600 *10^-5 H
Q= ( q!+q2) / 2= ( -1,5+3,5) /2= 1*10^-7
F= kQQ / r^2= 9*10^9 * 10^-7 * 10^-7 / ( 0,05)^2=3600 *10^-5 H