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mathcrzy
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Homework Statement
A nylon tennis string on a racket is under a tension of 245 N. If its diameter is 0.92 mm, by how much is it lengthened from its untensioned length of 30.2 cm?
Homework Equations
F=E(delta L/L initial)A
The Attempt at a Solution
245N=(5e9)(?/30.2)(.0266)
delta L = 6.1e-8cm