berapakah gaya coulomb yg dialami kedua muatan?

fc = 9.10^9 . 4.10^-6 . 8.10^-4/0.06
= 9.10^9 . 4.8 .10^-10/0.06
= 9.10^9 . 32 .10^-10/0.06
= 9.32 . 10^-1/0.06
= 288 . 10^-1/0.06
= 288/0.6
= 480 m