The Graph Shows a Wave of Frequency 3

question 49

Multiple Choice

The graph shows a wave of frequency 3.0 Hz traveling to the right. The phase velocity of this wave is

• A) 6 m/s
• B) 13 m/s
• C) 60 m/s
• D) 90 m/s
• E) 0.12 km/s

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Definitions:

Specialization

The process of focusing effort and resources on a particular area of expertise or production to increase efficiency and output.

Barter System

An economic system where goods and services are directly exchanged for other goods and services without the use of money.

Monetary Exchange

The process of trading goods and services using money as a medium of exchange rather than direct barter.

Double Coincidence

A situation in a barter system where two parties each have something the other wants, allowing for an exchange without the need for money.