The electric potential v in the space between two flat parallel plates 1 and 2 is given (in volts) by , where x (in meters) is the perpendicular distance from plate 1. at , (a) what is the magnitude of the electric field and (b) is the field directed toward or away from plate 1?

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?

The dot diagram represents the motion of the motorcycle as it moves from left to right

If the spring constant k of a pogo stick is 3500 n m and the weight of the person on the pogo stick is 700 n, how much is the spring in the botom of the pogo stick compressed?