pp20 - PHYSICS: A World View Tuesday, 5 April 2005 READ Ch...

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PHYSICS: A World View Tuesday, 5 April 2005 READ Ch 16 (pp 336-340); PS 16: 5 PRAC Ch 16: Q 3, 7, 13, 35; E 7, 11 HW #20 Ch 16: Q 4, 18, 38; E 8 Th 7 Apr
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Exam #2 0 1 2 3 4 5 6 < 5 0 6 7 8 9 low = 47 average = 78 top = 96
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Standing Waves: Standing Waves: Only happens at certain frequencies Resonance phenomenon NODES:  points of zero vibration ANTINODES:  points of maximum  vibration
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Standing Waves λ /2 A N N 1 2 L λ = 1 Therefore, 2 L λ =
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Standing Waves N N N A A λ /2 2 2 L = λ = λ 1 2 2 2 L L λ λ = = = 2 = λ
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Standing Waves λ /2 3 2 L λ = 1 2 3 3 L λ λ = = 3 = λ
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Summary 1 1 1 2 1 3 1 4 2 1 1 2 2 2 2 3 3 2 4 4 L L L L λ λ = = λ λ = = λ λ = = λ λ = = 1 1 1 1 2 f L v v f = = = λ v f = λ 2 1 2 2 2 2 v v f f L = = = λ 1 3 3 3 2 3 f L v v f = = = 1 4 4 4 2 4 f L v v f = = =
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     One end of a hacksaw blade is clamped  to a post.  The other end is free.  Draw  graphs showing the two lowest harmonics 
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This document was uploaded on 10/29/2011 for the course PHSX 103 at MSU Bozeman.

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pp20 - PHYSICS: A World View Tuesday, 5 April 2005 READ Ch...

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