A swimming pool is filled with water to a height of 5m. A) what is the pressure exerted by the water on the bottom of the pool
B) if a small boy swims horizontally in the pool, calculate the pressure experienced by the body when he is at
I) The surface
ii) half depth
iii) The bottom of the pool?

What does the law of conservation of mass state?

7types of electromagnetic waves from lowest to highest frequency

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