In the diagram, q1 = +2.00*10^-5 C, q2 = +3.80*10^-5 C, and q3 = +5.30*10^-5 C. The net force on q2 is 5.56 N, to the right. How far is q2 from q3?
(Make sure you know the direction of each force!)
(Unit = m) pls help

Asheet of steel 1.5 mm thick has nitrogen atmospheres on both sides at 1200oc and is permitted to achieve a steady-state diffusion condition. the diffusion coefficient for nitrogen in steel at this temperature is 6 x 10- 11 m2 /s, and the diffusion flux is found to be 1.2 x 10-7 kg/m2 -s. also, it is known that the concentration of nitrogen in the steel at the high-pressure surface is 4 kg/m3 . how far into the sheet from this high-pressure side will the concentration be 2.0 kg/m3 ? assume a linear concentration profile.