A String with a Length of 3

question 34

Multiple Choice

A string with a length of 3.0 m has two adjacent resonances at frequencies 112 Hz and 140 Hz.
-Determine the speed of the waves on the string vibrating at 140 Hz..

• A)28 m/s
• B)42 m/s
• C)56 m/s
• D)140 m/s
• E)168 m/s

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Total Profit

The total income of a business after all expenses and costs have been deducted from its total revenue.

Optimum Efficiency

The state in which resources are allocated in the most efficient manner possible, maximizing outputs while minimizing wastes and costs.

Perfect Competitor

An idealized market structure in which many firms produce identical products, entry and exit are easy, and all participants have perfect information.

Long Run

A period in economics in which all factors of production and costs are variable, allowing for full adjustment to change.