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Statement of a problem № 3629

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A 1.2 m long metal wire is fixed securely at both ends to two solid supports so that the wire is initially horizontal. When a 29 g mass is attached from the midpoint of the wire, the midpoint is observed to move down by 20 mm. If the diameter of the wire is 0.1 mm, estimate the Young's modulus for the wire material.

Solution:
A 1.2 m long metal wire is fixed securely at both ends to two solid supports so

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