A  steel  rod  of  30  mm  diameter  is  enclosed  centrally  in  a  hollow  copper  tube  of  external diameter   40  mm  and  5  mm  thick.  The  composite  bar  is  then  subjected  to  an  axial  pull  of 45   kN.  If  the  length  of  the  compound  rod  is  150  mm  ,  and  the elasticity  moduli  are Est   =  200  GPa  and  Ecu  =  100  GPa  ,  determine: 1.2.1      The  stresses  in  the  rod  and

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A  steel  rod  of  30  mm  diameter  is  enclosed  centrally  in  a  hollow  copper  tube  of  external diameter   40  mm  and  5  mm  thick.  The  composite  bar  is  then  subjected  to  an  axial  pull  of 45   kN.  If  the  length  of  the  compound  rod  is  150  mm  ,  and  the elasticity  moduli  are Est   =  200  GPa  and  Ecu  =  100  GPa  ,  determine:

1.2.1      The  stresses  in  the  rod  and  tube

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