The magnitude of that other charge will be 9×10⁻⁵ C. The force on the charge is inverse of the distance.
<h3>What is Columb's law?</h3>
The force of attraction between two charges, according to Coulomb's law, is directly proportional to the product of the charges and inversely proportional to the square of the distance between them.
The magnitude of that other charge is found as;

Hence, the magnitude of that other charge will be 9×10⁻⁵ C.
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Considering that the silica is a solvent, the lead is called the colloid, which is a substance that added to another substance in the matter in which you described.
Answer:
49.24, 8.68
Explanation:
y = 50 sin 10 x = 50 cos 10