Physics, 19.08.2021 22:30 marquetter7689
An ideal parallel-plate capacitor having circular plates of diameter D that are a distance d apart stores energy U when it is connected across a fixed potential difference. If you want to triple the amount of energy stored in this capacitor by changing only the size of its plates, the diameter should be changed to:.
a. 3D.
b. D/3.
c. 9D.
d. Dβ3.
e. D/β3
Answers: 2
Physics, 22.06.2019 04:00
Which configuration would produce an electric current? a) rotate a coil of copper wire between two magnets. b) connect a wire between a copper and zinc strip sitting in a beaker of water. c) connect a wire to the (+) positive end of a battery and the other end to a light bulb. d) connect a wire to the negative end of a battery and the other end to a light bulb.
Answers: 2
Physics, 22.06.2019 21:00
Aflask with vinegar in it has a mass of 160 grams. a balloon with baking soda in it has a mass of 40 grams. the balloon is attached to the flask to seal the opening and the vinegar and baking soda mixes. the balloon inflates to a large volume. what will the total mass of the balloon and flask be after the balloon inflates? explain. a) less than 200 grams because the solid baking soda disappears. b) 200 grams, because all the atoms remain in the balloon or flask. c) more than 200 grams because the size of the balloon is so much larger. d) less than 200 grams because gases such as the one in the balloon are lighter than solids and liquids.
Answers: 1
Physics, 22.06.2019 22:00
What would people living along the coast in south florida do if there was a hurricane warning? move to locations away from the water flock along coasts to watch the natural phenomenon buy instruments to predict the exact location of the hurricane measure water levels to know the exact time of the hurricane
Answers: 3
An ideal parallel-plate capacitor having circular plates of diameter D that are a distance d apart s...
History, 31.01.2020 10:45
History, 31.01.2020 10:45
Social Studies, 31.01.2020 10:45
Arts, 31.01.2020 10:45
Advanced Placement (AP), 31.01.2020 10:45
English, 31.01.2020 10:45
Social Studies, 31.01.2020 10:45
Mathematics, 31.01.2020 10:45
Mathematics, 31.01.2020 10:45
Biology, 31.01.2020 10:45