A Person Is Walking Outdoors on a Cold Day When

question 40

Multiple Choice

A person is walking outdoors on a cold day when the temperature is -20°C.He is breathing at the rate of 16 breaths per minute,and each time he breathes in he inhales 0.0050 m³ of air.At what rate does he lose heat from breathing if the air in his lungs is heated to body temperature (37°C) before it is exhaled? The specific heat of air is 1020 J/kg ∙ K and the density of air is 1.29 kg/m³.

• A)60 W
• B)90 W
• C)100 W
• D)150 W
• E)300 W

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Definitions:

Cash Flows

The total financial inflow and outflow within an organization, essentially influencing its short-term financial solvency.

Confidential Information

Sensitive data that is protected from unauthorized access and not disclosed to the public.

Cash Flows

The entire volume of cash transactions happening within a business, notably affecting its financial flexibility.

Accurate Accounting

The practice of precisely recording, summarizing, and reporting financial transactions.