3. Each beam of sunlight (a, b, or c above) delivers 1300 joules of energy per second (i. e. 1300 watts) overains of the upper atmosphere, perpendicular to the direction of the beam (ie. the beam hits a flat surface. Sveta

sunlight spreads out when it hits the Earth, use your answers from 2 above to calculate the amount of enerosta

(c)

actually delivered per 100 m of surface in each of sunlight beams a, b, and c.