Respostas

  • Usuário do Brainly
2014-05-17T14:44:23-03:00
F=K.Q.q/d²
F=9.10^9 . 2.8.10^-6/(4.10^-¹)²
F=144.10³ / 16.10^-²
F=9.10^5 N
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