20. If two metal balls each have a negative electric charge of -10-6 C and the repulsive force between them is 1 N, how
Posted: Mon May 09, 2022 6:24 pm
20. If two metal balls each have a negative electric charge of -10-6 C and the repulsive force between them is 1 N, how far apart are they? (recall that Coulomb's constant is k=9.0x109 Nm2/C2.) A. 8.9 mm B. 0.0949 m C. 9.49 m D. 0.949 m