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August 1, 2015

Homework Help: physics

Posted by greg on Wednesday, April 11, 2012 at 10:06am.

A pair of eyeglass frames are made of an epoxy plastic (coefficient of linear expansion = 1.30 10-4C−1). At room temperature (20.0C), the frames have circular lens holes 2.27 cm in radius. To what temperature must the frames be heated if lenses 2.28 cm in radius are to be inserted into them?

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