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Home / Doubts and Solutions/JEE/Physics

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Asked by rbhatt16 27th December 2017, 11:37 PM
Answered by Expert
Answer:
Youngs modulus Y is given by
begin mathsize 12px style Y space equals space fraction numerator begin display style bevelled F over A end style over denominator begin display style bevelled fraction numerator d l over denominator l end fraction end style end fraction space equals space fraction numerator begin display style bevelled fraction numerator m omega squared r over denominator pi space r squared end fraction end style over denominator begin display style bevelled fraction numerator d l over denominator l end fraction end style end fraction r space i s space r a d i u s space o f space w i r e comma space m omega squared r space i s space t h e space c e n t r i p e t a l space f o r c e space e x p e r i e n c e d space b y space w i r e space i n space c i r c u l a r space m o t i o n comma space d l space i s space c h a n g e space i n space l e n g t h d l space equals space fraction numerator begin display style bevelled fraction numerator m omega squared r over denominator pi space r squared end fraction end style over denominator Y end fraction cross times l space............. left parenthesis 1 right parenthesis m a s s space o f space w i r e space m space equals space pi space r to the power of 2 space end exponent l space rho a f t e r space s u b s t i t u t i n g space f o r space m a s s space i n space e q n. left parenthesis 1 right parenthesis d l space equals space fraction numerator rho space space r space l squared omega squared over denominator Y end fraction end style
Answered by Expert 28th December 2017, 5:52 PM
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