An Ambulance Is Generating a Siren Sound at a Frequency

question 4

Multiple Choice

An ambulance is generating a siren sound at a frequency of 2,400 Hz. The speed of sound is 345.0 m/s. If the observer is traveling at a velocity of 24.00 m/s toward the stationary ambulance, then what is the frequency of the siren perceived by the observer?

• A) 2,640 Hz
• B) 2,567 Hz
• C) 2,520 Hz
• D) 2,508 Hz
• E) 2,475 Hz

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Definitions:

Cost Allocation

The process of assigning indirect costs to different departments, products, or projects based on relevant distribution bases.

Cost Pool

A grouping of individual costs, typically by department or service center, from which cost allocations are made.

Cost Objects

Any item for which costs are separately measured and tracked, including products, services, projects, or activities.

Cost Allocation

The process of assigning indirect costs to different products, services, or business units within a company, typically using a logical allocation base.