Two rods whose lengths are l1 and l2 and heat conductivity coefficients 1 and 2 are placed

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Two rods whose lengths are l1 and l2 and heat conductivity coefficients ×1 and ×2 are placed end to end. Find the heat conductivity coefficient of a uniform rod of length l1 + l2 whose conductivity is the same as that of the system of these two rods. The lateral surfaces of the rods are assumed to be thermally insulated.
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Vector Mechanics for Engineers Statics and Dynamics

ISBN: 978-0073212227

8th Edition

Authors: Ferdinand Beer, E. Russell Johnston, Jr., Elliot Eisenberg, William Clausen, David Mazurek, Phillip Cornwell

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