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183_notes:examples:videoswk4 [2016/08/13 22:22] – created waterso8 | 183_notes:examples:videoswk4 [2016/08/14 22:47] (current) – waterso8 | ||
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- | ===== Example: | + | ===== Example: |
=== Video ==== | === Video ==== | ||
+ | Part 1: | ||
+ | |||
+ | You have a wire with a square-shaped cross-section. It's 3 m in length and made of copper (bond length = 2.57 e -10 m). The sides of the wire are 2mm wide. | ||
+ | |||
+ | a) Calculate the number of chains in the wire. | ||
{{youtube> | {{youtube> | ||
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+ | Part 2: | ||
+ | b) Calculate the number of bonds per chain in the wire. | ||
{{youtube> | {{youtube> | ||
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+ | Part 3: | ||
+ | c) Calculate the macroscopic spring stiffness constant of the wire if the interatomic spring stiffness is 28 N/m. | ||
{{youtube> | {{youtube> |