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Task 30348.
Electrons emitted from the cathode of the vacuum tube, has a kinetic energy T = 2 eV. What speed will be near the anode electron lamp, if the potential difference between the anode and cathode, U = 10 V?
Detailed solution shorthand terms, formulas, laws used in the decision, the withdrawal of the calculation formula and the response.
If you have any questions to address, please. I´ll try to help.