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Author Question: A super-insulated house is at a temperature of 20C. The temperature outside is 0C. The surface area ... (Read 109 times)

SGallaher96

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on: Jul 28, 2018
A super-insulated house is at a temperature of 20C. The temperature outside is 0C. The surface area of the house is 200 m2, and the emissivity is 1 . Approximately how much energy is radiated (in W) per second?
 a. 20 000
  b. 2 000
  c. 200
  d. 2
  e. 0.2

Question 2

A child has a temperature of 101F. If her total cross-sectional area is 2 m2, find the energy lost each second (in W) due to radiation, assuming the emissivity is 1 . (Assume the room temperature is 70F.)
 a. 217
  b. 180
  c. 90
  d. 68
  e. 850


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kescobar@64

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Reply #1 on: Jul 28, 2018
Answer to Question 1

A

Answer to Question 2

A


SGallaher96

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Reply 2 on: Jul 28, 2018
:D TYSM

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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