yang bisa tolong kak:)
rumus gaya coulomb :
f = k . q1 . q2 / r²
k = 9 x 10^9
q1 = 4uc = 4 x 10^-6 c
q2 = -5uc = 5 x 10^-6 c
r = 30cm (0,3m)
jawab :
f = 9 x 10^9 x 4 x 10^-6 x 5 x 10^-6 / 0,3²
f = 180 x 10^9-6-6 / 0,09
f = 180 x 10^-3 / 9 x 10^-2
f = 20 x 10^-1
f = 2 newton
jawabannya d
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