1164_Physics ProblemsTechnical Physics

# 1164_Physics ProblemsTechnical Physics - Chapter 41 505...

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Chapter 41 505 Additional Problems P41.39 Suppose the marble has mass 20 g. Suppose the wall of the box is 12 cm high and 2 mm thick. While it is inside the wall, Um g y == = 002 98 012 00235 .. . . kg m s m J 2 bg ej a f and EK m v = = 1 2 1 2 08 00064 2 2 . kg m s J b g . Then C mU E = = ×⋅ 2 2002 00171 1055 10 25 10 34 32 1 a f b g = . . kg J Js m and the transmission coefficient is ee e e CL −× × = = = 2 225 10 2 10 10 10 230 4 .3 10 4.3 10 10 32 3 29 29 29 30 10 10 ~ e j . P41.40 (a) λ × 2 2 00 10 10 L . m (b) p h × 6626 10 331 10 34 10 24 . . 2.00 10 m kg m s (c) E p m 2 2 0172 e V P41.41 (a) See the figure. FIG. P41.41(a) (b) See the figure. FIG. P41.41(b) (c) ψ is continuous and 0 as x →±∞ . The function can be normalized. It describes a
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