50 m using the formula for electric field due to a point charge:
\[ E_1 = \frac{k \cdot q}{r^2} \]
where \( k \) is the electrostatic constant (8.99 x 10^9 Nm^2/C^2), \( q \) is the charge (10.0 nC = 10.0 x 10^-9 C), and \( r \) is the distance from the charge to
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