The length of a metal wire is l1 when the tension in it is T1. It is l2 when the tension is T2. The original length of the wire is

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The length of a metal wire is l1 when the tension in it is T1. It is l2 when the tension is T2. The original length of the wire is
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Sep
The length of a metal wire is l1 when the tension in it is T1. It is l2 when the tension is T2. The original length of the wire is The length of a metal wire is l1 when the tension in it is T1. It is l2 when the tension is T2. The original [...]
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