Physics, asked by sahanagh9235, 1 year ago

A rod of length 50cm is joined at an end to an aluminium rod of length 100cm.All measurements refer to 20 degree Centigrade.The coefficients of linear expansion of iron and aluminium are 12*10-6/degree Centigrade and 24*10-6/degree centigrade respectively.What is the average coefficient of composite system?

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Answered by saksham99999
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