Please help me with below question, what is the finalanswer? Bone has a Young’s

Question

Please help me with below question, what is the finalanswer? Bone has a Young’s modulus of 18 x 109Pa. Under compression it can withstand 160 x 106 Pa ofstress before breaking. Assume that a femur deforms 5.0 mm beforebreaking. What was the original length of the bone?

Please help me with below question, what is the finalanswer? Bone has a Young’s modulus of 18 x 109Pa. Under compression it can withstand 160 x 106 Pa ofstress before breaking. Assume that a femur deforms 5.0 mm beforebreaking. What was the original length of the bone?

Explanation / Answer

we know that youngs modulus is gven by:: Y = stress/strain where stress is 160 x 106 Pa and strain is l/l so Y = 160 x 106 Pa*l/l       18 x 109 Pa = 160 x106 Pa* l/5 l = 0.5625 m

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