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A polymer rod of ten millimeter in diameter and forty millimeter in length is elongated by...

A polymer rod of ten millimeter in diameter and forty millimeter in length is elongated by applying a force of four thousand newton. Polymer rod has a Poisson's ratio of 0.50 and a longitudinal strain of 2.5 x 10−2 Calculate: (A) the polymer rod extension,(B) the change in radius of the polymer rod and (C) percentage change in its volume.
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