A Wheel Rotates About a Fixed Axis with a Constant

question 24

Multiple Choice

A wheel rotates about a fixed axis with a constant angular acceleration of 4.0 rad/s². The diameter of the wheel is 40 cm. What is the linear speed of a point on the rim of this wheel at an instant when that point has a total linear acceleration with a magnitude of 1.2 m/s²?

• A) 39 cm/s
• B) 42 cm/s
• C) 45 cm/s
• D) 35 cm/s
• E) 53 cm/s

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Definitions:

Revenues

The total income generated by a company from its business activities, typically from the sale of goods and services before any expenses are deducted.

Total Variable Cost

The total variable cost is the sum of all variable expenses that change in proportion to the volume of output or production.

Profit

The financial gain obtained when the amount of revenue gained from a business activity exceeds the expenses, costs, and taxes.

Revenue

The total amount of money received by a company for goods sold or services provided during a certain time period.