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The length of an aluminium bar of lenth 80cm increase by 1mm on heating. What is the final temperature of the bar if it was initially at temperature 20°C? ( given: coefficient of linear expansion of aluminium = 25×10-6/° C)
9 years ago

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bobpursley
changeinlength=origLeng(coeff)(Tf-20)

can you solve that?
9 years ago

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