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Verified answer
Gaya CoulombKelas IX
q1 = q1 = +2q
q2 = q2 = +3q
r = r = 10 cm
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q1' = +4q = 2q1
q2' = +12q = 4q2
r' = 5 cm = (1/2)r
F = k q1 q2 / r²
F' = k q1' q2' / r'²
F' = k (2q1)(4q2) / ( (1/2)r)²
F' = 8 k q1 q2 / (1/4)r²
F' = 32 k q1 q2 / r²
F' = 32F
pilihan D