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Verified answer
LISTRIK STATIS▷Gaya Coulomb
F = (k • Q₁ • Q₂) / r² = 5 N
F₂ = (k • 2Q₁ • 2Q₂) / (½ r)²
F₂ = 8 (k • Q₁ • Q₂) / r²
F = 8 × 5 = 40 N
Jawaban : B