The solution of the problem 2.20 cr 2 from the problem

The solution of the problem 2.20 cr 2 from the problem

PROBLEM 2.20
The charge of 1 nC is at a distance of 0.2 m from an infinitely long uniformly charged filament. Under
The charge of the filament field moves by 0.1 m. Determine the linear density of the filament charge, if
The work of the forces is spinning equal to 0.1 μJ.