A Stretched String Is Observed to Have Four Equal Segments

question 485

Multiple Choice

A stretched string is observed to have four equal segments in a standing wave driven at a frequency of 480 Hz. What driving frequency will set up a standing wave with five equal
Segments?

• A) 120 Hz
• B) 240 Hz
• C) 600 Hz
• D) 360 Hz

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Definitions:

Depreciation Expense

The allocation of the cost of a tangible asset over its useful life, reflecting the decrease in value of the asset over time.

Straight-Line Method

A method of calculating depreciation or amortization by evenly spreading the cost over the useful life of the asset.

Gross Profit Rate

A financial metric that represents the percentage of revenue that exceeds the cost of goods sold.

Perpetual Inventory Method

A system of inventory management where updates are made continuously to account for additions to and subtractions from inventory, showing real-time inventory levels.