If two rods of length L and 2L having coefficients of linear expansion α and 2α respectively are connected so that total length becomes 3L
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If two rods of length L and 2L having coefficients of linear expansion α and 2α respectively are connected so that total length becomes 3L, the average coefficient of liner expansion of the composition rod equals: If two rods of length L and 2L having coefficients of linear expansion α and 2α respectively are connected [...]
