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Verified answer
Q₁ = + 60 mC = + 6 x 10⁻² CQ₂ = + 50 mC = + 5 x 10⁻² C
r = 30 cm = 3 x 10⁻¹ m
F = _ ?
F = k Q₁ Q₂ / r²
F = 9 x 10⁹ • 6 x 10⁻² • 5 x 10⁻² / (3 x 10⁻¹)²
F = 9 x 30 x 10⁵ / 9 x 10⁻²
F = 3 x 10⁸ N [Tolak Menolak]