Two objects were lifted by a machine. one object had a mass of 2 kilograms, and was lifted at a speed of 2m/sec. the other had a mass of 4 kilograms and was lifted at a rate of 3 m/sec. which object had more kinetic energy while it was being lifted ?

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