A pair of eyeglass frames are made of an epoxy plastic (coefficient of linear expansion = 1.30 ✕ 10−4°C−1). At room temp
Posted: Mon Jul 18, 2022 5:54 am
A pair of eyeglass frames are made of an epoxy plastic(coefficient of linear expansion = 1.30 ✕ 10−4°C−1). At roomtemperature (20.0°C), the frames have circular lens holes 2.22 cmin radius. To what temperature must the frames be heated if lenses2.23 cm in radius are to be inserted into them?