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Physics, 12.07.2019 22:20 ayeelol4936
Aresearch technician working with sr-90 solution manages to contaminate the back of his hand by leakage under his rubber glove. it is estimated that he had 25 uci per cm 2 present for 2 hours before discovery and immediate cleansing. calculate the dose to his skin. show all calculations for answer of 740 rads.
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Physics, 21.06.2019 17:00
Why is alternating current more effective at long–distance travel than direct current? a. the power lines are made out of conductors. b. transformers increase or decrease voltage as needed. c. the ac generator is more efficient. d. ac has lower voltage than dc.
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Physics, 22.06.2019 06:40
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?
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Aresearch technician working with sr-90 solution manages to contaminate the back of his hand by leak...
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