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Pertanyaan

diketahui Q1=4.10^min 9 C, Q2=9.10^min9 C, r=2 cm, K=9.10^9 Nm²/C²
ditanya F=?


tolong bantuannya kak!

2 Jawaban

  • Listrik Statis - IX SMP

    Diketahui
      Q1 = 4 . 10^-9
      Q2 = 9 . 10^-9
      r = 2 cm = 2 . 10^-2 cm
      K = 9 . 10^9

    Ditanya
       F ... ?

    Dijawab
       F = K . Q1 . Q2 / r^2
       F = 9 . 10^9 . 4 . 10^-9 . 9 . 10^-9 / (2 . 10^-2)^2 
       F = 9 . 4 . 9 . 10^9 . 10^-9 . 10^-9 . 10^4 / 2
       F = 162 . 10^-5 N

    Semoga terbantu 
  • F = K Q1 Q2 / r^2( kuadrat )
    F = 9.10^9 x 4.10^-9 x 9.10^-9 / ( 2.10^-2 )^2
    F = 9.10^9 x 4.10^-9 x 9.10^-9 / 4.10^-4
    F = 9.10^9 x 10^-9 x 9.10^-5
    F = 81 . 10^-5

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