If We Double Only the Spring Constant of a Vibrating

question 10

Multiple Choice

If we double only the spring constant of a vibrating ideal mass-and-spring system,the mechanical energy of the system

• A)increases by a factor of .
• B)increases by a factor of 2.
• C)increases by a factor of 3.
• D)increases by a factor of 4.
• E)does not change.

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Unit Sales

The total number of individual items or units that a company sells during a certain period.

Contribution Margin Ratio

The contribution margin ratio is the ratio of the contribution margin (sales minus variable costs) to sales revenue, indicating the percentage of each sales dollar available to cover fixed costs and provide profit.

Fixed Monthly Expenses

Costs that do not vary from month to month, such as rent, loan payments, and insurance premiums.

Contribution Format Income Statement

An income statement format that separates fixed and variable costs to highlight the contribution margin of a business.