A rod made of brass, having length 1.8 m is held between two rigid supports at 27°C. Now the rod is cooled to -39°C. Calculate the tension in the rod. Given radius of the wire =0:1 cm, a=2 x 10-50C-1 and Y = 91 X 109 Nm-2.
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your answer is "50C" hope it helps you
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