Asked by Chanchal

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)

Answers

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

can you solve that?
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