two pirate ships are having a battle, ship 1 fires a cannon ball 60 m/s at an angle of 30 degrees at pirate ship 2. If ship 2 is 325m away will it hit or see to sail another day?

Aregion of space in which a measurable gravitational force is indicated by the force exerted on a test mass is called

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

The difference between a red shift and a blue shift has to do with wavelength frequency. t or f