Two particles in air are separated by a certain distance ‘r'. their masses are m1 and m2 and they have equal and similar charges ‘q'. if the resultant force acting among them is zero, then the value of q is
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Fgravitational = F electrostatic
Gm1m2/ r^2 = kqq/r^2
Gm1m2 = kq^2
q^2 = Gm1m2/k
q= square root of Gm1m2/k
Gm1m2/ r^2 = kqq/r^2
Gm1m2 = kq^2
q^2 = Gm1m2/k
q= square root of Gm1m2/k
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