How far from its old positioin is the new junction

Reference no: EM13558084

At 20 C, a steel rod of length 40.000 cm and a brass rod oflength 30.000 cm, both of the same diameter, are placed end to endbetween two rigid supports 70.000 cm apart, with no initial stressin the rods. The temperature of the rods is now raised to 60C.

(a) What is the stress (the same in both rods) at 60 C.

(b) How far from its old positioin is the new junction between therods?

Reference no: EM13558084

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