Question: A thin solid barrier in the xy-plane has a 10-m-diameter circular hole. An electron traveling in the z-direction with v x = 0 m/s passes

A thin solid barrier in the xy-plane has a 10-μm-diameter circular hole. An electron traveling in the z-direction with v_x = 0 m/s passes through the hole. Afterward, is it certain that v_x is still zero? If not, within what range is v_x likely to be?

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