(1) Suppose a person is covered head to foot by wool clothing with average thickness of 2 cm and is transferring energy of 6000 joules by conduction through the clothing for 2 minutes. What is the temperature difference across the clothing, given the surface area is 1.4m2? (Given: Thermal conductivity of wool is 0.04 W/mK) The difference in temperature =

University Physics Volume 2
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ISBN:9781938168161
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Chapter1: Temperature And Heat
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Di O 11:PA
(1) Suppose a person is covered head to
foot by wool clothing with average thickness
of 2 cm and is transferring energy of 6000
joules by conduction through the clothing for
2 minutes. What is the temperature
difference across the clothing, given the
surface area is 1.4m?? (Given: Thermal
conductivity of wool is 0.04 W/mK)
The difference in
temperature =
(2) A 9.15 kg sample of water at 11°C is in a
calorimeter. You drop a piece of iron with a
mass of 0.41 kg at 260°C into it. After the
sizzling subsides, what is the final
equilibrium temperature? (Given: Sp. Heat
of water 1cal/g°C & Sp. Heat of iron is 0.106
cal/g°C)
Equilibrium temperature in
celcius =
Transcribed Image Text:Di O 11:PA (1) Suppose a person is covered head to foot by wool clothing with average thickness of 2 cm and is transferring energy of 6000 joules by conduction through the clothing for 2 minutes. What is the temperature difference across the clothing, given the surface area is 1.4m?? (Given: Thermal conductivity of wool is 0.04 W/mK) The difference in temperature = (2) A 9.15 kg sample of water at 11°C is in a calorimeter. You drop a piece of iron with a mass of 0.41 kg at 260°C into it. After the sizzling subsides, what is the final equilibrium temperature? (Given: Sp. Heat of water 1cal/g°C & Sp. Heat of iron is 0.106 cal/g°C) Equilibrium temperature in celcius =
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ISBN:
9781938168161
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OpenStax
Publisher:
OpenStax