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1) A 15 denier fiber initially 20 cm long, breaks when stretched to a length of 21.10 cm.

a. Find the breaking length of this fiber in cm.

b. Find the strain of this fiber in %.

c. What would the final stretched length of a 150 m long fiber, made of the same material?

d. Find the fiber tenacity if the rupture load is approximately 58.50 g.

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