The charge of electricity on a body leaks away at a rate proportional to the charge , and half of it leaks away in 10 minutes. What part of the charge will Problem 3 remain after 50 minutes

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Coulomb’s Law

Coulomb's law states that the attraction or repulsion force between two charged things is proportional to the product of their charges and inversely proportional to the square of their distance. It has an effect along the line that connects the two-point charges.