A Sound Wave in Helium Has an Intensity of 1 $\times$

question 85

Multiple Choice

A sound wave in helium has an intensity of 1.00 $\times$ 10^-3 Watts/m².The density of helium is 0.179 kg/m³ and the velocity of sound in helium is 965 m/s.The pressure amplitude of the sound wave is

• A) 0.682 N/m².
• B) 0.520 N/m².
• C) 0.476 N/m².
• D) 0.345 N/m².
• E) 0.276 N/m².

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Definitions:

Activity-Based Costing

Activity-based costing is a method in accounting that assigns costs to products and services based on the resources they consume and the activities undertaken to produce them.

Period Costs

Expenses that are incurred by a business during a specific time period but are not directly tied to the production of goods and are reported immediately in the company's income statement.

Factory Overhead Allocation

The process of distributing indirect manufacturing costs, such as utilities and rent, across various products based on a predetermined rate or method.

Service Companies

Businesses that provide services to consumers or other businesses rather than producing goods.