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anonymous
 5 years ago
How many electrons should be removed from each of the two similar spheres each of 10g so that electrostatic repulsion be balanced by gravitational force.
anonymous
 5 years ago
How many electrons should be removed from each of the two similar spheres each of 10g so that electrostatic repulsion be balanced by gravitational force.

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0I think that you mean removing some electrons and adding the to the other ball! It's obvious that the forces should be equal,(m1=m2=m, q1=q2=q) F1=F2=>Gm1*m2/r^2 = kq1*q2/r^2 => q^2=G*m^2/k G=6.67300 × 1011 k=9.109*10^9 m=.01kg =>q=2.723*10^12 q=ne=> n = 1.7018*\[10^{7}\]
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