ttg gaya coulomb diket F1 = 240N F2 = 480N r 1 = 3cm r 2 ?

Gaya coulomb berbanding terbalik dgn kuadrat jarak

(r2 / r1)^2 = F1 / F2
r2 / r1 = √(F1/F2)
r2 / r1 = √(240/480)
r2/r1 = √(1/2)
r2/r1 = 1/2 . √2
r2 = 1/2.√2 . r1
r2 = 1/2.√2 . 3 cm
r2 = 3/2. √2 cm