A Windowpane Is Half a Centimeter Thick and Has an Area

question 85

Multiple Choice

A windowpane is half a centimeter thick and has an area of 2.0 m². The temperature difference between the inside and outside surfaces of the pane is 15 $\degree$ C. What is the rate of heat flow through this window? (Thermal conductivity for this glass is 0.84 W / m · $\degree$ C.)

• A) 5000 J/s
• B) 2500 J/s
• C) 1300 J/s
• D) 630 J/s

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Definitions:

Social Insurance

A government-sponsored program designed to provide financial support to individuals in events such as unemployment, disability, or retirement.

Poverty Statistics

Numerical data and indicators that measure the proportion of the population living below a certain income threshold considered necessary for basic living standards.

Urban Areas

Densely populated regions characterized by high human settlement and infrastructure development.

Social Insurance

A government-sponsored program designed to provide financial protection to individuals against economic risks such as unemployment, disability, or old age.