How many revolutions per second does the electron make
In a simple model of the hydrogen atom, the electron moves in a circular orbit of radius 0.053 nm around a stationary proton. How many revolutions per second does the electron make?
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If a test charge is positioned near a charged body, does the charge itself exert a force directly acting on the test charge, or is there something else present that exerts a force on the test charge?
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If a set of grades on a statistics examination is approximately normally distributed with mean of 74 and a standard deviation of 7.9, find the lowest passing grade if the lowest 10% of the students are given 1.0?
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