A Sphere of Surface Area 1

question 85

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 energy 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:

Narrative

A spoken or written account of connected events; a story.

Delegation

Process of assigning another member of the health care team to be responsible for aspects of patient care (e.g., assigning nurse assistants to bathe a patient).

Circumstances

The conditions or facts affecting a situation, event, or action, which can influence the outcome or required response.

Supervision

The act of overseeing or directing work or workers to ensure that tasks are carried out properly and safely.