Two Uniform Circular Disks Having the Same Mass and the Same

question 10

Multiple Choice

Two uniform circular disks having the same mass and the same thickness are made from different materials.The disk with the smaller rotational inertia is:

• A)the one made from the more dense material
• B)the one made from the less dense material
• C)neither - both rotational inertias are the same
• D)the disk with the larger angular velocity
• E)the disk with the larger torque

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Definitions:

Net Income

A company's overall earnings minus all expenditures and tax obligations.

Preferred Stock

A class of ownership in a corporation with a fixed dividend that is paid before any dividends are paid to common stockholders. Preferred stock typically does not have voting rights.

Return On Assets Ratio

A profitability ratio that measures how efficiently a company can manage its assets to produce net income, calculated by dividing net income by total assets.

Net Income

The total profit of a company after all expenses and taxes have been subtracted from total revenue, indicating financial health.