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How far apart should the two …

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How far apart should the two electrons be if the force each exerts on the other is equal to the weight of the electron?

    • Posted by Rishabh Yadav 7 years, 2 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Kriti Chhetri 7 years, 2 months ago

    Let r distance between two electrons . F = Force exerted by one electrons to other F = Ke²/r² weight of electron = mg a/c to question , F = mg Ke2/r² = mg 9×10^9 × {1.6 × 10^-19 }²/r² = 9.1 × 10^-31 × 10 r² ={ 9 ×2.56/9.1 } × 10^-38+30+9 = 25.31 r = 5.03 m

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