The Displacement of an Object Oscillating on a Spring Is $\omega$

question 8

Multiple Choice

The displacement of an object oscillating on a spring is given by x(t) = x_mcos( $\omega$ t + $\phi$ ) . If the initial displacement is zero and the initial velocity is in the negative x direction, then the phase constant $\phi$ is:

• A) 0
• B) \(\pi\)/2 radians
• C) \(\pi\) radians
• D) 3 \(\pi\)/2 radians
• E) 2 \(\pi\)radians

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Definitions:

Long-run Output

The total quantity of goods and services produced by an economy over a long period, when all inputs are considered variable.

Monetary Policy

Actions taken by a country's central bank to control the money supply and interest rates in order to influence economic activity, such as inflation, employment, and economic growth.

Fiscal Policy

Government adjustments to its spending levels and tax rates to influence a nation's economy.

Lag

Lag refers to a delay that occurs between the cause and effect of an economic policy or other measured variable in the analysis of data.