How far apart the two electrons be if the force between them equals the weight of an electron ? What in case of protons ?
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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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