A Long String Is Constructed by Joining the Ends of Two

question 16

Multiple Choice

A long string is constructed by joining the ends of two shorter strings.The tension in the strings is the same but string I has 4 times the linear mass density of string II.When a sinusoidal wave passes from string I to string II:

• A)the frequency decreases by a factor of 4
• B)the frequency decreases by a factor of 2
• C)the wavelength decreases by a factor of 4
• D)the wavelength decreases by a factor of 2
• E)the wavelength increases by a factor of 2

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Definitions:

Expected Cost

The predicted expense associated with producing a good or executing a plan.

Units Sold

The quantity of product sold in a specific period, often used as a measure of business performance.

Units of Production Depreciation

A method of depreciation where the useful life of an asset is based on the number of units it produces.

Fixed Product Cost

Costs associated with production that do not change with the level of output, such as salaries of permanent staff and depreciation of machinery.