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2. A. An elliptical hair, 10.0 cm long has the following dimensions as illustrated below, A = 40μ, B=30 μ When the hair
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2. A. An elliptical hair, 10.0 cm long has the following dimensions as illustrated below, A = 40μ, B=30 μ When the hair
2. A. An elliptical hair, 10.0 cm long has the following dimensions as illustrated below, A = 40μ, B=30 μ When the hair was extended from 10.05 cm to 10.1 cm at 65% RH the force on the hair increased by 7.5 grams. What is the modulus of elasticity in GPa? (5) B. Suppose this hair broke at 85 grams. What was the breaking stress in MPa? (5)