A Wave Travels in a String at 64 M/s

question 17

Multiple Choice

A wave travels in a string at 64 m/s.A second string of 25% greater linear density has the same tension applied as in the first string.What will be the resulting wave speed in the second string?
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• A) also 64 m/s
• B) 74 m/s
• C) 128 m/s
• D) 57 m/s
• E) ​72 m/s

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Definitions:

Machine-Hours

A measure of the amount of time machines are operated, used as a basis for allocating manufacturing overhead costs in some costing systems.

Predetermined Overhead Rate

A rate used to allocate overhead costs to products or services, calculated based on estimated overhead and activity levels before the period begins.

Direct Labor-Hour

A measure of the labor time directly involved in the production of goods, usually quantified in hours.

Overhead Applied

The process of allocating overhead costs to specific jobs or products based on a pre-determined rate or method.