Question

Two charges separated a distance of 1.0 meter exert a 2.0-N force on each other. If the charges are pushed to a separation of 1/3 meter, the force on each charge will be
A. 2.0 N.
B. 1.5 N.
C. 3.0 N.
D. 6.0 N.
E. 18.0 N.

Answer 1

\[F=k\frac{ Q1*Q2 }{ d ^{2}}\]

d=seperation

If we suppose the k*Q1*Q2=N ,where is just a represntation symbol

then \[F=\frac{ N }{ d ^{2} }\]

and \[\frac{ N }{ 1^{2} }=2 , then N=2 \]

\[\frac{ 2 }{ (\frac{ 1 }{ 3 })^{2} }=18\] answer 18

Answer 2

where N is just a represntation symbol.

Answer 3

Thank you :)