p38_001 - 1. (a) The time an electron with a horizontal...

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1. (a) The time an electron with a horizontal component of velocity v takestotrave lahor izonta ld istance L is t = L v = 20 × 10 2 m (0 . 992)(2 . 998 × 10 8 m / s) =6 . 72 × 10 10 s . (b) During this time, it falls a vertical distance y = 1 2 gt 2 = 1 2 (9 . 8m / s 2 )(6 . 72 × 10 10 s) 2 =2 . 2 × 10
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