A String with Mass Density Equal to 0

question 159

Multiple Choice

A string with mass density equal to 0.0025 kg/m is fixed at both ends and at a tension of 290 N. Resonant frequencies are found at 558 Hz and the next one at 744 Hz. What is the fundamental frequency of the string?

• A) 558 Hz
• B) 372 Hz
• C) 93 Hz
• D) 186 Hz
• E) None of the above.

Interpret cost-volume-profit (CVP) charts and understand their significance.

Identify the components and calculation of the contribution margin and contribution margin ratio.

Assess the financial implications of changes in sales mix on break-even points and net income.

Understand the impact of operational changes (e.g., new machinery) on cost structure and profitability.

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