Fт=m*g Fк=k*q1*q2/R^2 и Fн=m*g*cosa
m*g*tga=k*Q^2/R^2
R=2*L*sina
m*g*tga=k*Q^2/4*L^2*sin²a
Q=2*L*sina*√m*g*tga/k=0.25*√0.6*10^-3*10*1/9*10^9=(√15*10^6)/18
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Fт=m*g Fк=k*q1*q2/R^2 и Fн=m*g*cosa
m*g*tga=k*Q^2/R^2
R=2*L*sina
m*g*tga=k*Q^2/4*L^2*sin²a
Q=2*L*sina*√m*g*tga/k=0.25*√0.6*10^-3*10*1/9*10^9=(√15*10^6)/18