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Physics

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a force of -7.7 x 10^3N exists between a positive charge of 5.6 x 10-^4C and a negative charge of -2.1 x 10^-4C. What distance separates the charges?

Answer :

Trancescientgo Trancescientgo

Answer:

r = 0.37 m

Explanation:

Use Coulomb's law to solve for r:

F = kq1q2/r^2

---> r^2 = kq1q2/F

= (8.99×10^9)(5.6×10^-4)(-2.1×10^-4)/(-7.7×10^3)

= 0.1373 m^2

or r = 0.37 m

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