Awinery has a vat with two pipes leading to it. the inlet pipe can fill the vat in 66 ? hours, while the outlet pipe can empty it in 1010 hours. how long will it take to fill the vat if both pipes are left? open?

Exercise 2. find the wavelength of a photon emitted when an electron jumps from the n = 3 energy level down to the n = 2 energy level. where is this photon in the electromagnetic spectrum?

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

For most stars, what does a higher temperature tend to to with? a lower luminosity a higher luminositya red color none of the above