Physics, 07.10.2019 18:30 aloading6574
Ashort, thick, cold wire is the best conductor. a shorter wire will allow electricity to move through at a higher rate than a longer wire. how well a material conducts current is an internal factor affecting resistance. if you double the length of a wire, you cut the resistance in half. if you double the thickness of a wire, you cut the resistance in half. superconductors have no measurable resistance. the higher the temperature of the conductor, the lower the resistance. the resistance in a wire with less thickness is less. thickness, length, and temperature are internal factors that affect resistance. when a light is first switched on, the light bulb's filament has a lower resistance than after it gives off light for awhile. true false
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Physics, 22.06.2019 00:40
Aballet student who learns with the of his instructor is demonstrating learning.
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Physics, 22.06.2019 04:30
Light that is polarized along the vertical direction is incident on a sheet of polarizing material. only 96% of the intensity of the light passes through the sheet and strikes a second sheet of polarizing material. no light passes through the second sheet. what angle does the transmission axis of the second sheet make with the vertical?
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Physics, 22.06.2019 10:00
Two objects of different mass start from rest, are pulled by the same magnitude net force, and are moved through the same distance. the work done on object 1 is 900 j. after the force has pulled each object, object 1 moves twice as fast as object 2. how much work is done on object 2?
Answers: 1
Ashort, thick, cold wire is the best conductor. a shorter wire will allow electricity to move throug...
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