A CD Has a Diameter of 12

question 25

Multiple Choice

A CD has a diameter of 12.0 cm. If the CD is rotating at a constant angular velocity of 25 radians per second, then the linear speed of a point on the circumference is

• A) 1.0 m/s.
• B) 1.5 m/s.
• C) 2.0 m/s.
• D) 2.5 m/s.
• E) 3.0 m/s.

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Definitions:

Perpetual System

An inventory system that continually updates inventory records and cost of goods sold after each purchase or sale.

Cost of Goods Sold

Refers to the specific expenses directly linked to the creation of the products a company sells.

Perpetual LIFO

A method of inventory valuation where the last items added to inventory are considered the first items sold, continuously updated in real-time.

Purchases and Sales

This involves transactions related to buying (purchases) and selling (sales) goods or services, critical to determining a business's revenue and inventory levels.