Awave oscillates 50 times per second. what is its frequency?
a.25hertz
b.50hertz
...
Answers: 2
Physics, 21.06.2019 15:50
Ahollow metal sphere has 6 cm and 11 cm inner and outer radii, respectively. the surface charge density on the inside surface is −100nc/m2. the surface charge density on the exterior surface is:
Answers: 1
Physics, 23.06.2019 01:20
Afisherman notices that his boat is moving up and down periodically, owing to waves on the surface of the water. it takes a time of 2.70 s for the boat to travel from its highest point to its lowest, a total distance of 0.700 m. the fisherman sees that the wave crests are spaced a horizontal distance of 6.50 m apart. a. how fast are the waves traveling? b. what is the amplitude a of each wave?
Answers: 1
Physics, 23.06.2019 01:30
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
Answers: 1
Biology, 29.10.2019 03:31
Biology, 29.10.2019 03:31
Biology, 29.10.2019 03:31
Biology, 29.10.2019 03:31
Biology, 29.10.2019 03:31
Mathematics, 29.10.2019 03:31
History, 29.10.2019 03:31
Biology, 29.10.2019 03:31
Mathematics, 29.10.2019 03:31