This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A super-insulated house is at a temperature of 20C. The temperature outside is 0C. The surface area ... (Read 60 times)

SGallaher96

  • Hero Member
  • *****
  • Posts: 509
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


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kescobar@64

  • Sr. Member
  • ****
  • Posts: 324
Reply #1 on: Jul 28, 2018
Answer to Question 1

A

Answer to Question 2

A


SGallaher96

  • Member
  • Posts: 509
Reply 2 on: Jul 28, 2018
:D TYSM

helenmarkerine

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Surface Offset on San Andreas Fault Surface Offset on San Andreas Fault
Ranges of normal temperature values Ranges of normal temperature values
viable surface sampling using contact plates viable surface sampling using contact plates
Effect of increasing temperature or lowering deltGo+ on the rates of reactions Effect of increasing temperature or lowering deltGo+ on the rates of reactions
Area of the hypoxic in The Gulf of Mexico’s “Dead Zone” Area of the hypoxic in The Gulf of Mexico’s “Dead Zone”
The annual pattern of rings changes with ocean temperature and coral health The annual pattern of rings changes with ocean temperature and coral health
Video: Female Reproductive System - Hormonal regulation (GnRH) الجهاز التناسلي للأنثى - التنظيم الهرموني

For a complete list of videos, visit our video library