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• gaya
F = 0,1 N
r = 3×10^-2 m
q1 = q2 = q = __?
F = k q1 q2 / r²
0,1 = 9×10^9 q² / (3×10^-2)²
0,1 = 9×10^9 q² / 9×10^-4
0,1 = 10^13 q²
q² = 10^-14
q = 10^-7 C atau q = - 10^-7 C ← jwb