A Miniature,spring-Loaded,radio-Controlled Gun Is Mounted on an Air Puck

question 12

Multiple Choice

A miniature,spring-loaded,radio-controlled gun is mounted on an air puck.The gun's bullet has a mass of 5.00 g,and the gun and puck have a combined mass of 130g.With the system initially at rest,the radio-controlled trigger releases the bullet,causing the puck and empty gun to move with a speed of 0.500 m/s.Of the total kinetic energy of the gun-puck-bullet system,what percentage is in the bullet?

• A) 50%
• B) 96%
• C) 3.4%
• D) 100%

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Definitions:

Macroeconomic Variables

Indicators or factors that reflect the overall health and performance of a country's economy, such as GDP, unemployment rates, and inflation.

Recession

A significant decline in economic activity spread across the economy, lasting more than a few months, typically visible in real GDP, real income, employment, industrial production, and wholesale-retail sales.

Net Exports

The difference between a country's total value of exports and its total value of imports; a key component of a nation's GDP.

U.S. Bonds

Debt securities issued by the United States government as a way of borrowing money from investors.