q₁ = 2 *10⁻¹⁰ C
F = 10 N
k = 9 *10⁹ N * m²/C²
r = ?
F = k *q₁ * q₂ /r²
F* r² = k *q₁ * q₂
r² = k *q₁ * q₂ /F
r² = 9 *10⁹ N * m²/C² * 2 *10⁻¹⁰ C * 2 *10⁻¹⁰ C /10 N
r² = 36 *10⁻¹¹ N * m² /10 N
r² = 3,6 *10⁻¹² N *m² /10 N
r² = 0,36 *10⁻¹² m²
r = √ 0,36 *10⁻¹² m²
r = 0,6 *10⁻⁶ m
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q₁ = 2 *10⁻¹⁰ C
q₁ = 2 *10⁻¹⁰ C
F = 10 N
k = 9 *10⁹ N * m²/C²
r = ?
F = k *q₁ * q₂ /r²
F* r² = k *q₁ * q₂
r² = k *q₁ * q₂ /F
r² = 9 *10⁹ N * m²/C² * 2 *10⁻¹⁰ C * 2 *10⁻¹⁰ C /10 N
r² = 36 *10⁻¹¹ N * m² /10 N
r² = 3,6 *10⁻¹² N *m² /10 N
r² = 0,36 *10⁻¹² m²
r = √ 0,36 *10⁻¹² m²
r = 0,6 *10⁻⁶ m