Two Objects Are Placed in a Room with a Temperature

question 64

Multiple Choice

Two objects are placed in a room with a temperature of 20°C. Object A has a temperature of 70°C, while object B has a temperature of 140°C. They have the same emissivity, but different areas. What should the ratio of the area of object A to that of object B be if the net power emitted by both objects is the same?

• A) 2.0
• B) 3.4
• C) 5.2
• D) 17
• E) 21

Learn how to structure routine messages, including openings, body, and closings to align with their purposes.

Recognize the importance of tone and clarity in routine business messages.

Understand the implications of company policies on communication strategies.

Identify the components of effective strategies for handling complaints and adjustments.

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Definitions:

Primary Activities

Core actions or functions that directly relate to the creation, sale, maintenance, and support of a product or service in a business's value chain.

Support Activities

Functions or operations within a business that, while not directly contributing to the product or service, facilitate effective performance of primary activities.

Value Chain Management

The process of optimizing the steps from raw material acquisition to production, distribution, and after-sales services to add value and increase efficiency within a company's operations.

Specific Sequence

A particular order or arrangement in which events, actions, or processes occur or are arranged.