A String with a Length of 3

question 34

Multiple Choice

A string with a length of 3.0 m has two adjacent resonances at frequencies 112 Hz and 140 Hz.
-Determine the speed of the waves on the string vibrating at 140 Hz..

• A)28 m/s
• B)42 m/s
• C)56 m/s
• D)140 m/s
• E)168 m/s

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Definitions:

AC Time

A measure of the time that alternating current (AC) takes to complete one cycle, often referenced in electrical and electronic contexts.

Efficiency-Wage Theory

The theory suggesting firms pay wages above the equilibrium to increase worker productivity and reduce turnover.

High-Wage Policy

An economic strategy aimed at maintaining high wage levels for employees, often through minimum wage laws or collective bargaining agreements.

Low-Wage Policy

Low-Wage Policy refers to economic or governmental policies that maintain or promote low wage levels for workers.