Asked by Sasha

the force between two charges is 20.0 N. if one charge is doubled, the other is tripled, and the distance between them is halved, calculate the resultant force between them.

Answers

Answered by MathMate
Force = Q1*Q2/(4πεr²)
So if
20 N = k*Q1*Q2/r²
What is
F=k*(2Q1)(3Q1)/(r/2)² ?
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