A Cannon Fires a Projectile as Shown

question 54

Multiple Choice

A cannon fires a projectile as shown.The dashed line shows the trajectory in the absence of gravity; points MNOP correspond to the position of the projectile at one second intervals.If g = 10 m/s², the lengths X,Y,Z are:

• A)5 m, 10 m, 15 m
• B)5 m, 20 m, 45 m
• C)10 m, 40 m, 90 m
• D)10 m, 20 m, 30 m
• E)0.2 m, 0.8 m, 1.8 m

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Definitions:

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.

Income Effect

The change in an individual's or economy's income and how that change will affect the quantity demanded of a good or service.