Homework Help: physics

Posted by elisabeth on Thursday, February 25, 2010 at 7:07pm.

Given: the linear expansion coefficient of glass is 9 x 10^-6 ('C)^-1.

An automobile windshield has dimensions of 59 cm by 390 cm. What minimum spacing around the windshield is needed to prevent the windshield from breaking if the temp. changes by 146' F?

answer should be in units of mm.

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