Solution

• k={8?2m(U0-E)/h2}1/2

• T~ e-2kL

• k={8(3.14)2(1500)(1500x9.8x24 - .5x1500x(20)2/(6.63x10-34)2}1/2

• = 1.2x1038 m-1

• 2kL ~ 72x 1038

• T ~ e-2kL => 0

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