A medicine ball has a mass of 6 kg and is thrown with a speed of 4 m/s. What is its kinetic energy? (24 j ) (48 J )(96 j )( 12j )
none of these

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

Give an example in which the electrical energy changes to light energy

What does si stand for,when referring to a system of measurement