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dhudz23

  • 3 years ago

I need your help! A charge of 5 x10-9 C is attracted by a charge of –3x10-7 C with a force of 0.135 N. How far apart are they? (Hint: manipulate the equation to get an expression for d)

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  1. Iamgmg90
    • 3 years ago
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    Coulombs law \[F = (Q_1\times Q_2)/(4\pi \times \epsilon_0 \times d^2) \]

  2. dhudz23
    • 3 years ago
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    Could you help me on how to start it?

  3. Shane_B
    • 3 years ago
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    You just plug in the values you know into the formula and solve for d

  4. Shane_B
    • 3 years ago
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    \[\large 0.135N = \frac{5x10^{-9}C\times -3x10^{-7}C}{4(3.14159) \times 8.85x10^{-12} \frac{C^2}{Nm^2}\times d^2}\]As the question states, now you must manipulate this equation to solve for d.

  5. dhudz23
    • 3 years ago
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    Thank you! I think I got it.

  6. Shane_B
    • 3 years ago
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    np :)

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