A 1.7 kg object is swung from the end of a 0.60 m string in a vertical circle. If the velocity of the object is 3.40 m/s, what is the tension in the string, at the top of the circle?

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