Two Bodies with Masses M1 and M² Are Both Moving

question 39

Multiple Choice

Two bodies with masses m1 and m² are both moving east with velocities of magnitudes v1 and v2, where v1 is less than v2. The magnitude of the velocity of the center of mass of this system of two bodies is

• A)less than v1.
• B)equal to v1.
• C)equal to the average of v1 and v2.
• D)greater than v1 and less than v2.
• E)greater than v2.

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Definitions:

Nominal Gross Domestic Product

The market value of all final goods and services produced within a country in a year, measured using current prices without adjustment for inflation.

Price Level

The average of current prices across the entire spectrum of goods and services produced in the economy, a measure of inflation or deflation.

Price Index

A statistical measure that examines the weighted average of prices of a basket of consumer goods and services, showing trends over time.

Base Year

A specific year against which economic, financial, or statistical data is standardized or indexed, allowing for comparison over time.