Suppose you stand with one foot on ceramic flooring and one foot on a wool carpet, making contact over an area of 80 cm² with each foot. Both the ceramic and the carpet are 1.9 cm thick and are 8 deg C on their bottom sides. At what rate must heat transfer occur from each foot to keep the top of the ceramic and carpet at 35 deg C? The thermal conductivity of carpet k =0.04 J/(s m °C) The thermal conductivity of ceramic k =0.84 J/(s m °C) Rate of Heat Transfer of Wool Qw 9.44 t ✓ W Rate of Heat Transfer of Cermaic Qc = 0.4 t ! No, that's not the correct answer. W
Suppose you stand with one foot on ceramic flooring and one foot on a wool carpet, making contact over an area of 80 cm² with each foot. Both the ceramic and the carpet are 1.9 cm thick and are 8 deg C on their bottom sides. At what rate must heat transfer occur from each foot to keep the top of the ceramic and carpet at 35 deg C? The thermal conductivity of carpet k =0.04 J/(s m °C) The thermal conductivity of ceramic k =0.84 J/(s m °C) Rate of Heat Transfer of Wool Qw 9.44 t ✓ W Rate of Heat Transfer of Cermaic Qc = 0.4 t ! No, that's not the correct answer. W
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter17: Energy In Thermal Processes: The First Law Of Thermodynamics
Section: Chapter Questions
Problem 9OQ
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