The Frequency of a Car Horn Is F

question 64

Multiple Choice

The frequency of a car horn is f.What frequency is observed if both the car and the observer are at rest,but a wind is blowing toward the observer?

• A)f
• B)greater than f
• C)less than f
• D)either greater or less than f
• E)far greater than f,depending on how wind speed compares with the speed of sound

---

Definitions:

Expansionary Gap

A situation in macroeconomics when aggregate output is above potential output, often leading to inflationary pressures.

Recessionary Gap

Describes a situation where the real GDP of an economy is less than its potential GDP, indicating underutilized resources and a sluggish economy.

Deflation

A decrease in the general price level of goods and services in an economy over a period of time, potentially leading to increased unemployment and slower economic growth.

Inflation

The pace of ascent in the general pricing for goods and services, eroding the capability to buy.