What current is used to power the United States power grid?
Direct Current
Alternating Curren...
Physics, 25.02.2021 18:00 derick5977
What current is used to power the United States power grid?
Direct Current
Alternating Current
Answers: 1
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If a sphere and a cure have the same mass and are propelled up a ramp with the same force, which would travel father up the ramp? explain.
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Which type of bond is found between the atoms of a molecule? a. metallic b. delocalized electron c. covalent d. ionic
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An equinox occurs when a. neither end of earth's axis is tilted toward or away from the sun. b. the north end of earth's axis is tilted away from the sun. c. the north end of earth's axis is tilted toward the sun. d. earth's axis is parallel to the sun's rays. select the best answer from the choices provided a b c d
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Alinearly polarized electromagnetic wave has an average intensity of 196 w/m^2. this wave is directed towards two ideal polarizers (in real polarizers, transmission is also effected by reflection and absorption). polarizer a is oriented with its transmission axis at an angle of θ_1=20.8∘ with the incident electric field. polarizer b has its axis at an angle of θ_2=63.0∘ with the incident electric field. what is the average intensity of the wave after it passes through polarizer a? what is the average intensity of the wave after it passes through polarizer b? suppose that the two polarizers a and b are interchanged. what would the average intensity be after passing through both polarizers?
Answers: 2
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