Physics, 04.12.2019 06:31 brittnum9044
On coordinate axes, point a = (1.50, 2.00), measured in meters. let the voltage value very far away (“infinity”) be defined as zero (i. e. v∞ = 0). to make things simpler, just express your answers in terms of e and k (in other words, don’t plug in numerical values for e and k). a lone proton is placed at the origin: a. calculate the electric field (magnitude and direction) it will cause at point a. b. calculate the magnitude and direction of the electric force it will exert on a proton located at point a. c. calculate the magnitude and direction of the electric force it will exert on an electron located at point a. d. calculate the uniform electric field (magnitude and direction) that would need to be present (in addition to the proton), so that an electron located at point a would have no acceleration. e. calculate the electric potential (i. e. the voltage) that the lone proton will cause at point a. f. calculate the electric potential energy (ue) that a second proton would have if located at point a. g. calculate the electric potential energy (ue) that an electron would have if located at point a.
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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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Write down two additional questions about earth's magnetic field that will make your presentation more informative.
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On coordinate axes, point a = (1.50, 2.00), measured in meters. let the voltage value very far away...
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