A walrus transfers energy by conduction through its blubber at the rate of 150 W when immersed in −1.00ºC water. The walrus’s internal core temperature is 37.0ºC , and it has a surface area of 2.00 m2 . What is the average thickness of its blubber, which has the conductivity of fattytissues without blood? Figure 14.33 Walrus on ice. (credit: Captain Budd Christman, NOAACorps)

Given: P = 150 W T1 = −1.00 ºC T2 = 37.0 ºC A = 2.00 m2 K = 0.2 W/m C

Answered: Figure 14.33 Walrus on ice. (credit:…

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Figure 14.33 Walrus on ice. (credit: Captain Budd Christman, NOAA Corps)

Horizons: Exploring the Universe (MindTap Course List)

14th Edition

ISBN:9781305960961

Author:Michael A. Seeds, Dana Backman

Publisher:Michael A. Seeds, Dana Backman

Chapter7: The Sun

Section: Chapter Questions

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Question

A walrus transfers energy by conduction through its blubber at the rate of 150 W when immersed in −1.00ºC water. The walrus’s internal core temperature is 37.0ºC , and it has a surface area of 2.00 m² . What is the average thickness of its blubber, which has the conductivity of fatty
tissues without blood?

Figure 14.33 Walrus on ice. (credit: Captain Budd Christman, NOAA
Corps)

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