A box with a total surface area of 1.20 m and a wall thickness of 4.00 cm is made of an insulating material. A 10.0-W electric heater inside the box maintains the inside temperature at 15.0 °C above the outside temperature. Find the thermal conductivity k (in W/m. OC) of the insulating material. O 22.2 x 10-2 O L11x 10-2 O 2.22 x 10-2 O 444 x 10-2

A box with a total surface area of 1.20 m and a wall thickness of 4.00 cm is made of an insulating material. A 10.0-W electric heater inside the box maintains the inside temperature at 15.0 °C above the outside temperature. Find the thermal conductivity k (in W/m. OC) of the insulating material. O 22.2 x 10-2 O L11x 10-2 O 2.22 x 10-2 O 444 x 10-2

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter11: Energy In Thermal Processes

Section: Chapter Questions

Problem 54AP: The surface area of an unclothed person is 1.50 m2, and his skin temperature is 33.0C. The person is...

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