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As a result of temp rise of 32^(@)C, a b...


As a result of temp rise of `32^(@)C`, a bar with a crack at its centre buckless upward. If the fixed distance `l_(0)` is `4m`, and coefficeient of linear expansion of bar in `25 xx 10^(-5)'^(@)C^(-1)`. Find the rise `x` (in cm) of the centre.

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