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Two rods of different materials are plac...

Two rods of different materials are placed between massive walls as shown in figure. The cross section of the rods is A, their moduil of elastricity are `E_(1)` and `E_(2)` respectively. If rods are heated by t degrees, then (coefficients of liner expansion of material of rods are `alpha_(1)` and `alpha_(2)` respectively)

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