LscREEN PRINTER VERSION BACK NEXT Chapter 18, Problem 086 A glass window pane is
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Question
LscREEN PRINTER VERSION BACK NEXT Chapter 18, Problem 086 A glass window pane is exactly 21 cm by 29 cm at 10°C. By how much has its area increased when it temperature is 370C, assuming that it can expand freely? Take the coefficient of thermal expansion for the glass to be exactly 9 x 10 6/Co Number the tolerance is 4/-8% Click if you would like to show Work for this question: Open Show Work LINK TO TEXT LINK TO SAMPLE PROBLEM LINK TO SAMPLE PROBLE Question Attempts: 0 of 6 used SAVE FOR LATER SUBMIT ANSWER Copyright c 2000-2017 by John Wiley & Sons, Inc. or related companies. All rights reserved.Explanation / Answer
We use equation,
Ai = 21cm*29cm
=9*10^-6/C
Af = Ai(1+2(Tf-Ti)
Af = (21*29)*[1+2*9*10^-6*(37-10)]
Af = 609.3 cm^2
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