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Two positively charged particles , each of mass $\;1.7\times10^{-27}\;kg\;$ are carrying a charge of $\;1.6\times10^{-19}\;$ are placed r distance apart. If each one experiences a repulsive force equal to its weight , find r ?


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Answer : (a) $\;0.117\;m$
Explanation : $\; F=\large\frac{Rq^2}{r^2}=mg$
answered Jan 29, 2014 by yamini.v

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