A Jogger Runs a Kilometer in 8

question 15

Multiple Choice

A jogger runs a kilometer in 8.30 minutes in still, dry air at a temperature of 25.0 °C. Her skin has a temperature of 35.0 °C and an exposed area of 1.00 m². If the convective coefficient is 22.0 W/m² °C, then what is the rate of heat flow due to convection from her skin to the air?

• A) 95.7 W
• B) 102 W
• C) 186 W
• D) 220 W
• E) 285 W

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Definitions:

Homeorhesis

A concept referring to the maintenance of a dynamic equilibrium or steady state in living organisms through changing processes and conditions.

Homeostasis

The self-regulating process by which biological systems maintain stability while adjusting to conditions that are optimal for survival.

Trajectory

The path or progression of an object, a disease, or an individual's life or career over time.

Insufficiency

A lack or deficiency of something necessary, often resulting in an inability to function effectively or achieve intended outcomes.