A Sphere of Surface Area 1

question 95

Multiple Choice

A sphere of surface area 1.25 m² and emissivity 1.0 is at a temperature of 100°C.At what rate does it radiate heat into empty space? (σ = 5.67 × 10^-8 W/m² ∙ K⁴)

• A)7.1 W
• B)0.71 mW
• C)1.4 kW
• D)9.9 mW
• E)3.7 W

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Definitions:

Emotional Intelligence

The ability to recognize, understand, manage, and reason with emotions in oneself and others effectively.

Own Emotions

Own emotions refer to an individual's ability to recognize, understand, and manage their personal emotional states and reactions.

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The state of being higher in rank, status, or quality than others.