As You Stand by the Side of the Road, a Car

question 484

Multiple Choice

As you stand by the side of the road, 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 speed of the car? The speed of sound in the air is 343 m/s.

• A) 29 m/s
• B) 27 m/s
• C) 30 m/s
• D) 26 m/s
• E) 28 m/s

---

Definitions:

Forming Department

A division within a manufacturing process where raw materials begin their transformation into finished products, typically through shaping or molding.

Materials Cost

The total expense of materials used in the production of a product, including direct materials and any additional materials necessary for production.

Conversion Costs

The combined costs of direct labor and manufacturing overheads incurred to convert raw materials into finished goods.

Weighted-Average Method

An inventory costing method that calculates the cost of goods sold and ending inventory based on the average cost of all inventory items, weighted by the quantity of each item.