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Charges...please help!
Two 3.52 g point charges on 7.49-m-long threads repel each other after being equally charged. What is the charge q? (θ=31°.)
F = KQQ/R^2
How do I find Q without having a distance r?
Homework Statement
Two 3.52 g point charges on 7.49-m-long threads repel each other after being equally charged. What is the charge q? (θ=31°.)
Homework Equations
F = KQQ/R^2
The Attempt at a Solution
How do I find Q without having a distance r?