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A thin solid barrier in the xy-plane has a 13.9pm diameter circular hole. An electron traveling in the z-direction with vx 0.
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according to Ur.corelastily poinciple, Are APR an x 1 Now, Art: 19.9 m APR h 2 ore bar * mov move :. Aure 20 2 Axel 6 62410 2

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