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A brass rod with a length of 1.23 m and a cross-sectional area of 1.53 cm2...

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Physics

A brass rod with a length of 1.23 m and a cross-sectional areaof 1.53 cm2 is fastened end to end to a nickel rod with length Landcross-sectional area 1.29 cm2 . The compound rod is subjected toequal and opposite pulls of magnitude 3.57×104 Nat itsends.

a- Find the length L of the nickel rod if the elongations of thetwo rods are equal. (in m)

b- What is the stress in the brass rod? (in Pa)

c- What is the stress in the nickel rod? (in Pa)

d- What is the strain in the brass rod?

e- What is the strain in the nickel rod?

Answer & Explanation Solved by verified expert
4.4 Ratings (729 Votes)
Youngs Modulus is given by Y FLAdL Change in length or elongation will be dL FLAY Part A Given that elongation in both rod is same So dLbrass dLNickel FLbAbYb    See Answer
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