r=2m
F=0,045N
k=9*10^9 N*m²/C²
q1=q2=q=?
--------------------------------------------------------------------
F=k*q1*q2/r²
F=k*q²/r²
k*q²=F*r²
q²=F*r²/k
q=√(F*r²/k)
q=r*√(F/k)
q=2*√(0,045/9*10^9)=4,47*10-6 C=4,47μC
odp.b około 4,5μC
[m*√(N/(N*m²/C²))=m*√(N*(C²/(N*m²))=m*√(C²/m²)=m*C/m=C]
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r=2m
F=0,045N
k=9*10^9 N*m²/C²
q1=q2=q=?
--------------------------------------------------------------------
F=k*q1*q2/r²
F=k*q²/r²
k*q²=F*r²
q²=F*r²/k
q=√(F*r²/k)
q=r*√(F/k)
q=2*√(0,045/9*10^9)=4,47*10-6 C=4,47μC
odp.b około 4,5μC
[m*√(N/(N*m²/C²))=m*√(N*(C²/(N*m²))=m*√(C²/m²)=m*C/m=C]