Write down a piecewise formula for the total potential energy (elastic and gravitational) of the ball as a function of y. Do not forget that gravity continues to operate while the ball is in contact with the spring

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

For which pair of objects would adding the same a

True or false graphs must include scales that increase by the same amount