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If two metal balls each have a charge of -10^-6 c and the repulsive force between them is 1 n, how far apart are they? (coulomb's constant is k = 9.0x 10^9 n-m^2/c^2? 9.5 m 9.0 mm 9.5 cm 0.9 m .

What’s #16 asking me and how do i solve it?

Sort the images based on whether there's a force of attraction or repulsion between the magnets shown. attraction repulsion