Question: An electron enters and exits a capacitor with parallel-plate separation d through two small holes. The electron velocity z is parallel to the capacitor electric

An electron enters and exits a capacitor with parallel-plate separation d through two small holes. The electron velocity νẑ is parallel to the capacitor electric field E and the change in the electron velocity is small. Calculate the total energy ΔU'_EMand linear momentum ΔP'_EMradiated by the electron in its (momentary) rest frame and Lorentz transform to the laboratory frame to find ΔU_EMand ΔP_EM.

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