A rod of steel is 5m long and 3cm diameter at a tempearatyre if 20^(@)C. Find the free expansion of the rod when the temperature us raused ti 65^(@)C. Find the respective pulls exerted if (i) the ends do not yield and (ii) the ends yield by 0.12 cm. Y = 2 xx 10^(5) MN // m^(2) and alpha = 12 xx 10^(6) per ^(@)C
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expansion of the rod when the temperature us raused ti `65^(@)C`. Find the respective pulls exerted if `(i)` the ends do not yield and `(ii)` the ends yield by `0.12 cm.
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