Answer :

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


q1 and q2 = are the charges = 1C

k = proportionality constant = 9×109

r= distance between the charges

Now, gravitational force,


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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