Suppose you wanted to hold up an electron against the force of gravity by the attraction of a fixed proton some distance above it. How far above the electron would the proton have to be? (k = 1/4πε0 = 9.0 × 109 N ∙ m2/C2, e = 1.6 × 10-19 C, mproton = 1.67 × 10-27 kg, melectron = 9.11 × 10-31 kg)
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Physics, 23.06.2019 00:30
Diego kicks a soccer ball from the end line. his fellow students time and mark the soccer ball as it moves down the field. the graph represents the ball's progress. based on the graph, during what time is the velocity constant and positive?
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Physics, 23.06.2019 04:00
Robin is swinging back and forth from a trapeze. in which of the following situations is his kinetic energy being transformed into potential energy
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Physics, 23.06.2019 10:10
Human population projections are subject to change due to fluctuations in global fertility and mortality rates
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Suppose you wanted to hold up an electron against the force of gravity by the attraction of a fixed...
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