q₁ = 5 µC = 5 *10⁻⁶ C
q₂ = 1 µC = 1 *10⁻⁶ C
r = 30 cm = 0,3 m
k = 9 *10⁹ N * m² / C²
F = ?
F = k * q₁ * q₂ / r²
F = 9 *10⁹ N * m² / C² * 5 *10⁻⁶ C * 1 *10⁻⁶ C ( 0,3 m )²
F = 45 * 10⁻¹² N * m² / 0,09 m²
F = 500 *10⁻¹² N
F = 5 *10⁻¹⁰ N
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q₁ = 5 µC = 5 *10⁻⁶ C
q₂ = 1 µC = 1 *10⁻⁶ C
r = 30 cm = 0,3 m
k = 9 *10⁹ N * m² / C²
F = ?
F = k * q₁ * q₂ / r²
F = 9 *10⁹ N * m² / C² * 5 *10⁻⁶ C * 1 *10⁻⁶ C ( 0,3 m )²
F = 45 * 10⁻¹² N * m² / 0,09 m²
F = 500 *10⁻¹² N
F = 5 *10⁻¹⁰ N