You have a mass of 80 kg. You are walking a distance of 100 m up a hill that makes an angle of 15 degrees. a. What is the height that you reach?

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

If a stone with an original velocity of 0 is falling from a ledgeand takes 8 seconds to hoybthe ground whays the final velocity of the stone

What is the force that opposes motion and works against the downward pull? a) friction b) gravity c) weight d) acceleration