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Two positively charged particles each of...

Two positively charged particles each of mass is `9 xx 10^(-30)kg` and carrying a charge of `1.6 xx 10^(-19)C` are placed at a distance .r. apart. If each experiences a force equal to its weight, the value of r is `(g = 10 ms^(-2))`

A

1.6m

B

0.16m

C

0.116m

D

0.8m

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