A long line carrying a uniform linear charge density $+50\mathrm{.}0$C$/$m$+50\mathrm{.}0$C$/$m runs parallel to and $10\mathrm{.}0$cm$10\mathrm{.}0$cm from the surface of a large, flat plastic sheet that has a uniform surface charge density of $100$C$/$m$2100$C$/$m$2$ on one side.

Part A

Find the location of all points where an particle would feel no force due to this arrangement of charged objects.

Activate to select the appropriates template from the following choices. Operate up and down arrow for selection and press enter to choose the input value typeActivate to select the appropriates symbol from the following choices. Operate up and down arrow for selection and press enter to choose the input value type

LL $=$

nothing

mm from the line.

SubmitRequest$$Answer

Part B

Choose an appropriate location of these points at a distance, calculated in part A$.$

above the line

between the line and the sheet