A positive charge q exerts a …
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Sia ? 4 years, 7 months ago
The force that q exert on 2q is given by Coulomb's law:
- 0.2 = - 2 q² k / 0.52
q² = 0.2 × 0.52 / (2k)
q = √ [(0.2 × 0.52 / (2 × 9 × 109)]
= 1.66 × 10^-6 C
q = 1.66 × 10^-6 C,
-2 q = -3.23 × 10^-6 C
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