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44. An electron with a certain initial velocity υ0 flies into a plane horizontal capacitor parallel to the plates at an equal distance from them. The potential difference between the plates of the capacitor U = 300 V; the distance between the plates d = 2 cm; the length of the capacitor is l = 10 cm. What should be the limiting initial velocity υ0 of the electron so that the electron does not fly out of the capacitor? Solve the same problem for an α-particle.
Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)
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