A String Fixed at Both Ends Is Vibrating in One

question 90

Multiple Choice

A string fixed at both ends is vibrating in one of its harmonics.If we now increase only the frequency at which the string is vibrating,which of the following characteristics do we also increase? (There could be more than one correct choice. )

• A)the speed of the traveling waves on the string
• B)the period of the traveling waves on the string
• C)the wavelength of the traveling waves on the string
• D)the amplitude of the traveling waves on the string
• E)none of the above

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Definitions:

Period Expense

Expenses that are not directly tied to the production process and are charged to the periods in which they are incurred.

Predetermined Overhead Rate

An estimated rate used to allocate manufacturing overhead to individual products or job orders, based on a related activity (e.g., machine hours or labor hours).

Predetermined Overhead Rate

A predetermined rate for allocating manufacturing overhead to products or job orders, established prior to the period by forecasting both overhead expenses and activity volumes.

Machine-Hours

An indicator of how much is produced or the level of activity, determined by the total hours machines run during the manufacturing process.