What force is needed to give a mass of 20kg an acceleration of 5.0m/s?

Select the word from the list that best fits the definition classification of most stars on the h-r diagram

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

Acertain radio station broadcasts radio waves that have a wavelength of 298cm what is its broadcast frequency?