Time that is measured in definite periods such as minutes, days and years is called

A. Relative time
B. Absolute time

Time that is judged according to some other “marker” such as a persons gray hair and wrinkles is called

A. Relative time
B. Absolute time

The law of the conservation of momentum says that the total momentum of any closed and isolated system cannot

Which of these has some mechanical energy? a. an atom b. heat inside earth c. a book on a shelf d. the fire from a lit match

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