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OpenStudy (anonymous):

An object with a charge of -4.0 µC is 0.45 m from a second object and experiences an repulsive force of 1.80 N. What is the magnitude of the charge on the second object? So how would i start this one i have a formula but it is not for finding one of the 2 charges.

OpenStudy (anonymous):

F=kq1q2/r2

OpenStudy (anonymous):

Would i just have to do k X q1 / r2?

OpenStudy (vincent-lyon.fr):

It is a simple equation. Solve it for q2.

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