We are all in motion relative to? - a tree outside - the building -the earth -the sun

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

An object in mechanical equilibrium is an object

Should we celebrate the voyages of zheng he mini q answer key