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Verified answer
Diketahui:F1 = 4 N
r1 = 5 cm
Q1 = Q
Q2 = 2Q
r2 = 10 cm
ditanya:
F2?
jawab:
F2 = F1 r1² Q2² / r2² Q1²
F2 = 4 . 5² . (2Q)² / 10² . Q²
F2 = 4 . 25 . 4Q² / 100 . Q²
F2 = 400F / 100
F2 = 4 N
jadi gaya tolak-menolaknya 4 N
KELAS : 9
MAPEL : FISIKA
BAB : 2 - LISTRIK STATIS
KODE : 9.6.2
KATA KUNCI : HUKUM COULOMB