A Circular Window in the Wall of a Home Has $^{\circ}$

question 46

Multiple Choice

A circular window in the wall of a home has a diameter of 25 cm and is made of a single pane of glass 0.30 cm thick.Thermal conductivity for the glass is 0.63 W/mK.What heat is lost through the window in 12s if the temperature inside the house is 20 $^{\circ}$ C and outside is -12 $^{\circ}$ C?

• A) 16 kJ
• B) 4.0 kJ
• C) 1.6 kJ
• D) 1.3 kJ
• E) 5.0 kJ

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Definitions:

Proper Perspective

The practice of viewing situations, challenges, and experiences from an angle that allows for a balanced and informed understanding.

Positive Mental States

Conditions of the mind associated with joy, satisfaction, and well-being.

Kindness

The quality of being friendly, generous, and considerate towards others.

Compassion

A deep awareness of and sympathy for another's suffering, coupled with a desire to alleviate it.