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Which best describes the difference between internal and thermal energy?
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Currents in dc transmission lines can be 100 a or higher. some people are concerned that the electromagnetic fields from such lines near their homes could pose health dangers. for a line that has current 150 a and a height of 8.0 m above the ground, what magnetic field does the line produce at ground level? express your answer in teslas and as a percentage of the earth’s magnetic field, which is 0.50 g. is this value cause for worry?
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Physics, 22.06.2019 22:00
Notice how they put future which of the clouds shown would indicate a possible future rain storm? a) b) c) d)
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Physics, 23.06.2019 04:31
What caused magnetic fields? what happens if you keep breaking a magnet in two until you reach a single atom?
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How far will a bomb travel horizontally if it is dropped 9,144 meters from a bomber that is travelin...
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