12. Two runners travel along the same straight path. They start at the same time, and they end at the
same time, but at the halfway mark, they have different instantaneous velocities. Is it possible for
them to have the same average velocity for the trip?

Listed following are various physical situations that describe how light interacts with matter. match these to the appropriate category. 1) transmission? -visible light meets clear glass -visible light does not pass through a black wall -red light hits a red sweatshirt -light comes from your computer screen -cell phone signals pass through walls -blue light hits a red sweatshirt -white light hits a white piece of paper -light comes from a light bulb