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The electron flew into a flat capacitor, being at the 2019

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Description

The electron flew into a flat capacitor, being at the same distance from each plate and having a speed of 10 ^ 4 km / s, directed parallel to the plates. The distance between the plates is 1 cm, the length of each plate is 2.5 cm. What is the smallest potential difference that must be applied to the plates so that the electron does not fly out of the capacitor?

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Additional information

Task 31671. Detailed solution with a brief record of the conditions, formulas and laws used in the decision, the conclusion of the calculation formula and the answer.
If you have any questions about the decision, write. I will try to help. File in image format.

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