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Physics, 22.06.2019 16:30
In a classical model of the hydrogen atom, the electron moves around the proton in a circular orbit of radius 0.053 nm. what is the electron's orbital frequency? what is the effective current of the electron?
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Physics, 22.06.2019 23:30
Which system of units is used by only a small number of countries in the world, including the u.s.
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Physics, 23.06.2019 00:50
Which sentences describe point source pollution? in this type of pollution, the source of the pollution is single and easily identifiable. when runoff water from the melting of snow mixes with debris, it creates pollution. the runoff water, mixed with pollutants, reaches large areas with disastrous effects. alternatively, when a wastewater treatment plant releases harmful chemicals into a stream, the chemicals pollute the stream water because they are not treated for safety.
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Physics, 23.06.2019 02:00
How does the formation of intrusive and extrusive igneous rocks differ?
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Studying this brochure from nasa, which explains more detail the instruments carried by the Juno spa...
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