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Q1 = -10μC = -10x10⁻⁶ C
Q2 = 20 μC = 20x10⁻⁶ C
r = 25 cm = 25x10⁻² m
ditanyakn : F ?
dijawab :
F = k Q1Q2/r²
= 9x10⁹ x 10x10⁻⁶ x 20x10⁻⁶ / (25x10⁻²)²
= 9x10⁹ x 200x10⁻¹²/625x10⁻⁴
= 2,88x10¹ N