The force between positive charges from the problem 18) has the magnitude
a)4 Newtons b)9 Newtons c)9x10^9 Newtons d)4x10^9 Newtons e)none of these
a)4 Newtons b)9 Newtons c)9x10^9 Newtons d)4x10^9 Newtons e)none of these
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