Ah electron is a negatively charged particle that has a charge of magnitude, e - 1.60 x 10-19 c. which one of the following statements best describes the electric field at a distance r from the electron? the electric field is directed away from the electron and has a magnitude of ke/r. the electric field is directed toward the electron and has a magnitude of ke/r. the electric field is directed toward the electron and has a magnitude of ke/12 the electric field is directed away from the electron and has a magnitude of ke/2 the electric field is directed toward the electron and has a magnitude of ke? /r.
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Physics, 22.06.2019 06:40
How does the kinetic energy of a charge change as the charge moves under the effect of an electric field from higher potential to lower potential? a.the kinetic energy increases.b.the kinetic energy decreases.c.the kinetic energy remains the same.d.the kinetic energy is always zero.
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Physics, 22.06.2019 10:30
Air is to be preheated by hot exhaust gases in a cross-flow heat exchanger before it enters the furnace. air enters the heat exchanger at 95 kpa and 20°c at a rate of 0.6 m^3/s. the combustion gases (cp = 1.10 kj/kg°c) enter at 160°c at a rate of 0.95 kg/s and leave at 95°c. determine the rate of heat transfer to the air and its outlet temperature.
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Physics, 22.06.2019 22:30
Compare the patterns of the two waves shown in the image. which statement is true about these waves?
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Ah electron is a negatively charged particle that has a charge of magnitude, e - 1.60 x 10-19 c. whi...
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