The table list the mass and charge of a proton and a neutron

Write the equation for momentum, first using symbols for the variables, then using words for the variables.

The solar panels used by mark function because of the photoelectric effect. light shines on the cells causing electrons to be ejected from the metal, which produces an electric current. at night on mars, no light will fall on the solar cells and no electric current will be generated. according to your notes, what type of light is typically needed to cause the photoelectric effect? a)visible b)ultraviolet c)infrared

Anybody wanna ? (picture included? )