A Car Approaches You at a Constant Speed,sounding Its Horn,and

question 1

Multiple Choice

A car approaches you at a constant speed,sounding its horn,and you hear a frequency of 76 Hz.After the car goes by,you hear a frequency of 65 Hz.What is the frequency of the sound emitted by the horn? The speed of sound in the air is 343 m/s.

• A)68 Hz
• B)69 Hz
• C)70 Hz
• D)71 Hz
• E)72 Hz

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Definitions:

Cost Driver

A factor that causes or relates to a change in the cost of an activity or product.

Activity-Based Budgeting (ABB)

A budgeting approach that determines the cost of activities necessary for producing a product or service, aiming to improve cost efficiency.

Activity-Based Costing (ABC)

A costing methodology that assigns overhead and indirect costs to specific activities, thereby providing more accurate cost information.

Sales Volume

Refers to the number of units of product or service sold by a company over a specific time period, indicating business activity level.