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PROBLEM 10: Bebang owns a 130-mm-thick concrete brick table top that has an area of 10,000,000 mm and a 0.750-cm-thick glass plate that has an area of 20,000 cm². Assuming the same temperature difference across each, what is the ratio of the rate of heat conduction through the plate with respect to the rate of heat conduction through the table top? Use Table 10.1(given below) for the value of Thermal Conductivity k. Table 10.1 Thermal Conductivities of Common Substances Values are given for temperatures near 0 °C. Substance Thermal Conductivity k (W/m C) Diamond 2000 Silver 420 Соpper 390 Gold 318 Aluminum 220 Steel iron 80 Steel (stainless) 14 Ice 2.2 Glass (average) 0.84 Concrete brick 0.84 Water 0.6 Fatty tissue (without blood) 0.2 Asbestos 0.16 Plasterboard 0.16 Wood 0.08-0.16 Snow (dry) 0.10 Cork 0.042 Glass wool 0.042 Wool 0.04

PROBLEM 10: Bebang owns a 130-mm-thick concrete brick table top that has an area of 10,000,000 mm and a 0.750-cm-thick glass plate that has an area of 20,000 cm². Assuming the same temperature difference across each, what is the ratio of the rate of heat conduction through the plate with respect to the rate of heat conduction through the table top? Use Table 10.1(given below) for the value of Thermal Conductivity k. Table 10.1 Thermal Conductivities of Common Substances Values are given for temperatures near 0 °C. Substance Thermal Conductivity k (W/m C) Diamond 2000 Silver 420 Соpper 390 Gold 318 Aluminum 220 Steel iron 80 Steel (stainless) 14 Ice 2.2 Glass (average) 0.84 Concrete brick 0.84 Water 0.6 Fatty tissue (without blood) 0.2 Asbestos 0.16 Plasterboard 0.16 Wood 0.08-0.16 Snow (dry) 0.10 Cork 0.042 Glass wool 0.042 Wool 0.04

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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PROBLEM 10: Bebang owns a 130-mm-thick concrete brick table top that has an area of 10,000,000 mm and a 0.750-cm-thick glass plate that has an area of 20,000 cm?. Assuming the same temperature difference across each, what is the ratio of the rate of heat conduction through the plate with respect to the rate of heat conduction through the table top? Use Table 10.1(given below) for the value of Thermal Conductivity k. Table 10.1 Thermal Conductivities of Common Substances Values are given for temperatures near 0 °C. Substance Thermal Conductivity k (W/m C) Diamond 2000 Silver 420 Copper 390 Gold 318 Aluminum 220 Steel iron 80 Steel (stainless) 14 Ice 2.2 Glass (average) 0.84 Concrete brick 0.84 Water 0.6 Fatty tissue (without blood) 0.2 Asbestos 0.16 Plasterboard 0.16 Wood 0.08-0.16 Snow (dry) 0.10 Cork 0.042 Glass wool 0.042 Wool 0.04 Down feathers 0.025 Air 0.023 Polystyrene foam 0.010
Transcribed Image Text:PROBLEM 10: Bebang owns a 130-mm-thick concrete brick table top that has an area of 10,000,000 mm and a 0.750-cm-thick glass plate that has an area of 20,000 cm?. Assuming the same temperature difference across each, what is the ratio of the rate of heat conduction through the plate with respect to the rate of heat conduction through the table top? Use Table 10.1(given below) for the value of Thermal Conductivity k. Table 10.1 Thermal Conductivities of Common Substances Values are given for temperatures near 0 °C. Substance Thermal Conductivity k (W/m C) Diamond 2000 Silver 420 Copper 390 Gold 318 Aluminum 220 Steel iron 80 Steel (stainless) 14 Ice 2.2 Glass (average) 0.84 Concrete brick 0.84 Water 0.6 Fatty tissue (without blood) 0.2 Asbestos 0.16 Plasterboard 0.16 Wood 0.08-0.16 Snow (dry) 0.10 Cork 0.042 Glass wool 0.042 Wool 0.04 Down feathers 0.025 Air 0.023 Polystyrene foam 0.010
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