Physics, 16.12.2021 20:30 bettybales1986
1. What is the purpose of a grounding wire? What does it prevent?
2. Explain what happens in a cloud before a lightning strike.
3. What is the purpose of the static discharge line in a rescue helicopter?
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An initially unpolarized light if intensity 500 w/m^2 passes through four polarizers. the transmission axis between adjacent polarizers is 45∘. what percentage of the initial intensity is transmitted by the system?
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The difference between a red shift and a blue shift has to do with wavelength frequency. t or f
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An ionic compound can conduct electricity when a it is dissolved in water b its crystals are ground into powder c it is in solid form d it is heated to just below its melting point
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Select all the correct answers.which two statements are true? a moving magnetic field creates an electric field.a constant magnetic field creates an electric field.a constant electric field creates a magnetic field.a moving electric field creates a magnetic field.resetnext
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1. What is the purpose of a grounding wire? What does it prevent?
2. Explain what happens in a clo...
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