Charge q is 1 unit of distance away from the source charge s. charge p is four times further away. the force exerted between s and q is the force exerted between s and p.
one0fourth
four times
one0sixteenth
sixteen times

In 1980, alfa romeo introduced the first system to smooth a rough idle caused by ignition and camshaft timing changes.

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?

In a system, when potential energy decreases, then entropy also decreases. true false