Bats Can Detect Small Objects Such as Insects That Are

question 78

Short Answer

Bats can detect small objects such as insects that are of a size approximately that of one wavelength. If bats emit a chirp at a frequency of 60 kHz, and the speed of sound in air is 340 m/s, what is the smallest size insect they can detect?

---

Definitions:

Machine-Hours

A measure of the amount of time a machine is operated in the production process, used as a basis for allocating manufacturing overhead.

Markup

The sum added onto the purchase price of merchandise to cover both overhead expenses and profit, ultimately setting the retail price.

Predetermined Overhead Rate

A calculated rate used to assign overhead costs to products or services, based on estimated costs and activity levels.

Machine-Hours

The total time that machines are running in a production process, often used as a basis for allocating manufacturing overhead costs.