Calculate the magnitude of the initial horizontal velocity of the projectile, vix, when the magnitude of its initial velocity vi, was 40 meters per second. (show all work, including the equation and substitution units.)

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