Waves on a String: a 6

question 109

Multiple Choice

Waves on a string: A 6.0-m wire with a mass of 50 g, is under tension. A transverse wave, for which the frequency is 810 Hz, the wavelength is 0.40 m, and the amplitude is 4.0 mm, is propagating on the wire. The time for a crest of this wave to travel the length of the wire is closest to

• A) 19 ms.
• B) 16 ms.
• C) 21 ms.
• D) 23 ms.
• E) 25 ms.

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Definitions:

Direct Labor Cost

Wages that are paid to workers who are directly involved in the production of goods or services.

Absorption Costing

An accounting method that includes all manufacturing costs—direct materials, direct labor, and both variable and fixed overhead—in the cost of a product.

Net Operating Income

A measure of a company's profitability from its core business operations, excluding taxes and interest expenses.

Direct Labor Cost

The total cost of workforce directly involved in the production of goods or services, excluding indirect labor such as administration.