Q3/ The north wall of an electrically heated home is 20 fi long, 10 ft high, and I ft thick, and is made of brick whose thermal conductivity is k = 0.42 Btu/h ft °F. On a certain winter night, the temperatures of the inner and the outer surfaces of the wall are measured to be at about 62°F and 25°F, respectively, for a period of 8 hours. Determine the rate of heat loss through the wall that night.

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Forms of Energy

Energy is described as the capability to accomplish a task, like the ability to push a block by applying force on it. It is a quantitative property that is used to accomplish work on an object.