On a Cold Winter Day,the Outside Temperature Is -5

question 26

Multiple Choice

On a cold winter day,the outside temperature is -5.0 °C while the interior of a well-insulated garage is maintained at 20.0 °C by an electric heater.Assume the walls have a total area of 75 m²,a thickness of 0.15 m,and a thermal conductivity of 0.042 W/(m.C°) .What is the cost to heat the garage for six hours at these temperatures if the cost of electricity is $0.11/kWh?Note:1 kWh = 3.6 × 10⁶ J.

• A)$ 0.18
• B)$ 0.44
• C)$ 0.61
• D)$ 0.35
• E)$ 1.09

---

Definitions:

Sherman Act

A landmark federal statute in the antitrust law of the United States that prohibits monopolistic practices and promotes competition.

Restraints Against Trade

Actions or regulations that restrict, limit, or impede the free flow of trade and competition in the market.

Different Levels

Different levels refer to varying degrees or stages in a hierarchy, system, or classification.

Vertical

Relating to a structure or position that is straight up and down, in alignment with the direction of gravity.