A Bat Emits a Sound at a Frequency of 39

question 295

Multiple Choice

A bat emits a sound at a frequency of 39.0 kHz as it approaches a wall. The bat detects beats with a frequency of 827 Hz between the sound it emits and the echo bouncing from the wall. What is the
Speed of the bat if the speed of sound in air is 343 m/s?

• A) 9.0 m/s
• B) 2.7 m/s
• C) 3.6 m/s
• D) 5.4 m/s
• E) 3.0 m/s

---

Definitions:

Absorption Costing

An approach to costing that encompasses all costs associated with manufacturing such as direct materials, direct labor, along with variable and fixed overheads, within the per unit cost of products.

Cost-plus Pricing

A pricing strategy where the selling price is determined by adding a specific markup to a product's unit cost.

Selling and Administrative Expenses

These are the combined costs associated with the general operations of a business that are not directly tied to producing goods or services, including expenses like salaries, rent, and utilities.

Intermediate Calculations

Steps in the analytical process that involve manipulating basic data to derive more meaningful information.