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The goal in this problem is to estimate the strength of an interatomic bond in silver. We will model a thin, silver wire as
The goal in this problem is to estimate the strength of an interatomic bond in silver. We will model a thin, silver wire as parallel chains of springs, and each spring will represent an interatomic bond. The spring constant for a single spring will give an estimate of the bond strength. This problem follows the example we did in class (and as an in-class assignment) for a copper wire. Here is the experimental information: We have a silver wire that has a square (not round) cross- section, so that it is 1.1 mm x 1.1 mm on its sides. The wire is 2.0 m long. When a force of 150.0 N pulls on the wire, the wire's length increases by 3.42 mm. Part H We're going to chop the length of the wire up into layers, where each layer has single links of the long chains. That means the number of layers is the same as the number of bonds you found in Part F. We'll call this number of bonds Nlayer Based on your answer from Part G, which is true? O keff=klayer Nlayer Keff=klayer/Nlayer Submit Request Answer Part I Use your answer from Part H to calculate the effective spring constant for 1 layer of springs, Klayer Enter your answer with units. klayer = Value Submit Request Answer Units ? Part J Part How many springs (or bonds) are there in each layer of the wire, where each layer has an area of 1.1 mm x1.1 mm. Watch your units, since the widths are given in mm and your bond length is probably in meters. ? Number of bonds = Submit Request Answer Part K
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