Question

F= k•q1•q2 /: r k=
${10}^{9}$
​

Answer 1

Ответ:

F=(k*q*q)/r²=> r=√((k*q*q)/H)

r=√((5*10^-9 *6*10^-9 *9*10⁹)/12*10^-4) =√((45*10^-5)/2)=

=√((45)/(2*100000))=√(45/200000)=√(9/40000)=3/200=0,015=1,5см

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