Speed of a car is 30 m/s. Find its speed in km/h. 110 km/h

5.3 km/h

108 km/h

109 km/h

Which statement best describes how private industry decides where to spend the money on research and development

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

What is the most useful equation for electric power?