the 20 g bullet is fired horizontally at 1200 m/s inot the 300 g block resting on a smooth surface. if the bullet becomes embedded in the block, what is the velocity of the block immediately after impact

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

Blank liquids and gases exert a buoyant force on objects placed in them

Slab pull” is a type of tectonic plate movement that occurs due to the forces of mantle convection and results in the subduction of the lithosphere true or false