A 1.8 x 10-3-kg house spider is hanging vertically by a thread that has a Young's modulus of 4.0 x 109 N/m2 and a radius of 20 x 10-6 m. Suppose that a 96-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?
A 1.8 x 10-3-kg house spider is hanging vertically by a thread that has a Young's modulus of 4.0 x 109 N/m2 and a radius of 20 x 10-6 m. Suppose that a 96-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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Transcribed Image Text:A 1.8 x 10-3-kg house spider is hanging vertically
by a thread that has a Young's modulus of 4.0 x
109 N/m2 and a radius of 20 x 10-6 m. Suppose
that a 96-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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