A Wave Is Traveling in a String at 60 M/s

question 64

Multiple Choice

A wave is traveling in a string at 60 m/s.When the tension is then increased 20%,what will be the resulting wave speed?

• A)also 60 m/s
• B)66 m/s
• C)72 m/s
• D)55 m/s

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Definitions:

Variable Costs

Costs that change in proportion to the level of activity or production volume, such as materials and labor directly involved in production.

Fixed Expenses

Expenses that remain constant regardless of any variations in the amount of goods produced or the volume of sales, like lease payments, wages, and insurance fees.

Break-even Point

The point at which total costs equal total revenue, meaning no profit or loss is made.

Contribution Margin Ratio

The percentage of each sales dollar remaining after variable costs have been deducted.