Ction of Electric Force
The figure shows a positive charge placed in a uniform
electric field
Is the force exerted on the +1 C charge directed up or
down?

Light that is polarized along the vertical direction is incident on a sheet of polarizing material. only 96% of the intensity of the light passes through the sheet and strikes a second sheet of polarizing material. no light passes through the second sheet. what angle does the transmission axis of the second sheet make with the vertical?

If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?

The unit of resistivity is the: ohm ohm-cm volt coulomb