Answer :


Coulomb’s force of repulsion between two charges is given by –



Where,


q1 and q2 = are the charges = 1C


k = proportionality constant = 9×109


r= distance between the charges


Now, gravitational force,



Where,


G = universal gravitation constant =


m1 =mass of first object = 50Kg


m2 = mass of second object = 50Kg


r = distance between the objects


Now it’s given in the question that –




Substituting the values –




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