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April 19, 2015

Homework Help: physics

Posted by Anonymous on Tuesday, October 29, 2013 at 8:00pm.

A 1.0 x 10-3-kg house spider is hanging vertically by a thread that has a Young's modulus of 4.2 x 109 N/m2 and a radius of 18 x 10-6 m. Suppose that a 61-kg person is hanging vertically on an aluminum (Young's modulus 6.9 x 1010 N/m2) wire. What is the radius of the wire that would exhibit the same strain as the spider's thread, when the thread is stressed by the full weight of the spider?

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