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A long 10.8-cm-diameter bar made of hardwood (k = 0.159 W/m C, a = 1.105x107 m/s) is exposed to air at 30C with a heat
A long 10.8-cm-diameter bar made of hardwood (k = 0.159 W/m C, a = 1.105x107 m/s) is exposed to air at 30C with a heat transfer coefficient of 8.83 W/m C. If the center temperature of the bar is measured to be 15C after a period of 3- hours, the initial temperature of the bar is
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Essentials of Materials Science and Engineering
Authors: Donald R. Askeland, Wendelin J. Wright
3rd edition
978-1111576868, 1111576866, 978-1285677620, 1285677625, 978-1111576851
